diff --git a/changelog.txt b/changelog.txt
index 8190f10a18..401f746faa 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -2357,7 +2357,7 @@
 - Fix: Saving or loading a map doesnt pauses the game anymore
 - Fix: Some bridge part is not displayed transparent in transparent mode
 - Fix: Starting with -r option allows all resolutions
-- Fix: The pathfinder no longer sees rail with an other owner as a possible route
+- Fix: The pathfinder no longer sees rail with another owner as a possible route
 - Fix: Unable to select other screenshot format in Game Option
 - Fix: Unwanted town renaming
 - Fix: Vehicles slow down under bridge if the track is on a foundation
diff --git a/docs/32bpp.txt b/docs/32bpp.txt
index b847dd5224..1f5e6687f4 100644
--- a/docs/32bpp.txt
+++ b/docs/32bpp.txt
@@ -27,7 +27,7 @@ OpenTTD palette. Upon load of the PNG, the mask is loaded too, and overrides
 the RGB (not the Alpha) of the original PNG image, and replacing it with a
 8bpp color remapped and converted to 32bpp.
 
-An other thing that OpenTTD needs in your png, is 2 tEXt chunks: x_offs and
+Another thing that OpenTTD needs in your png, is 2 tEXt chunks: x_offs and
 y_offs. This to define the x- and y-offset, of course. Use the tool we supply
 to add this information. Sadly enough most graphical editors trashes those
 chunks upon save, so you have to readd it every time you save your image.
diff --git a/src/ai/api/ai_abstractlist.hpp b/src/ai/api/ai_abstractlist.hpp
index 86be9dc214..1fa99c0fa5 100644
--- a/src/ai/api/ai_abstractlist.hpp
+++ b/src/ai/api/ai_abstractlist.hpp
@@ -141,7 +141,7 @@ public:
 	void Sort(SorterType sorter, bool ascending);
 
 	/**
-	 * Add one list to an other one.
+	 * Add one list to another one.
 	 * @param list The list that will be added to the caller.
 	 * @post The list to be added ('list') stays unmodified.
 	 * @note All added items keep their value as it was in 'list'.
diff --git a/src/ai/api/ai_tunnel.hpp b/src/ai/api/ai_tunnel.hpp
index c50823549e..6c6c224907 100644
--- a/src/ai/api/ai_tunnel.hpp
+++ b/src/ai/api/ai_tunnel.hpp
@@ -36,7 +36,7 @@ public:
 		/** The start tile must slope either North, South, West or East */
 		ERR_TUNNEL_START_SITE_UNSUITABLE,            // [STR_ERROR_SITE_UNSUITABLE_FOR_TUNNEL]
 
-		/** An other tunnel is in the way */
+		/** Another tunnel is in the way */
 		ERR_TUNNEL_ANOTHER_TUNNEL_IN_THE_WAY,        // [STR_ERROR_ANOTHER_TUNNEL_IN_THE_WAY]
 
 		/** Unable to excavate land at the end to create the tunnel's exit */
diff --git a/src/debug.h b/src/debug.h
index 62c493d77c..b61d5ad1da 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -72,7 +72,7 @@ const char *GetDebugString();
  * Is the correct usage for multiple TIC() / TOC() calls.
  *
  * TIC() / TOC() creates it's own block, so make sure not the mangle
- *  it with an other block.
+ *  it with another block.
  **/
 #define TIC() {\
 	extern uint64 ottd_rdtsc();\
diff --git a/src/economy.cpp b/src/economy.cpp
index 76c32533eb..c75d2cd191 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -304,7 +304,7 @@ void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
 				if (c->share_owners[i] == old_owner) {
 					/* Sell his shares */
 					CommandCost res = DoCommand(0, c->index, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
-					/* Because we are in a DoCommand, we can't just execute an other one and
+					/* Because we are in a DoCommand, we can't just execute another one and
 					 *  expect the money to be removed. We need to do it ourself! */
 					SubtractMoneyFromCompany(res);
 				}
@@ -318,7 +318,7 @@ void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
 			if (_current_company != INVALID_OWNER) {
 				/* Sell the shares */
 				CommandCost res = DoCommand(0, old_owner, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
-				/* Because we are in a DoCommand, we can't just execute an other one and
+				/* Because we are in a DoCommand, we can't just execute another one and
 				 *  expect the money to be removed. We need to do it ourself! */
 				SubtractMoneyFromCompany(res);
 			}
diff --git a/src/map_func.h b/src/map_func.h
index 81cbcdac82..806220ccc8 100644
--- a/src/map_func.h
+++ b/src/map_func.h
@@ -238,7 +238,7 @@ static inline TileIndexDiff ToTileIndexDiff(TileIndexDiffC tidc)
 	 * Adds to tiles together.
 	 *
 	 * @param x One tile
-	 * @param y An other tile to add
+	 * @param y Another tile to add
 	 * @return The resulting tile(index)
 	 */
 	#define TILE_ADD(x,y) ((x) + (y))
diff --git a/src/network/network_chat_gui.cpp b/src/network/network_chat_gui.cpp
index 85598bb6cd..522106b80a 100644
--- a/src/network/network_chat_gui.cpp
+++ b/src/network/network_chat_gui.cpp
@@ -383,7 +383,7 @@ struct NetworkChatWindow : public QueryStringBaseWindow {
 			item++;
 
 			if (_chat_tab_completion_active) {
-				/* We are pressing TAB again on the same name, is there an other name
+				/* We are pressing TAB again on the same name, is there another name
 				 *  that starts with this? */
 				if (!second_scan) {
 					size_t offset;
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp
index bd675b7555..ccf2fe9f93 100644
--- a/src/order_cmd.cpp
+++ b/src/order_cmd.cpp
@@ -189,7 +189,7 @@ void InvalidateVehicleOrder(const Vehicle *v, int data)
 
 /**
  *
- * Assign data to an order (from an other order)
+ * Assign data to an order (from another order)
  *   This function makes sure that the index is maintained correctly
  *
  */
@@ -1110,7 +1110,7 @@ CommandCost CmdModifyOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
 	return CommandCost();
 }
 
-/** Clone/share/copy an order-list of an other vehicle.
+/** Clone/share/copy an order-list of another vehicle.
  * @param tile unused
  * @param flags operation to perform
  * @param p1 various bitstuffed elements
diff --git a/src/pathfinder/npf/aystar.cpp b/src/pathfinder/npf/aystar.cpp
index 55a0262f19..ffe62f7fab 100644
--- a/src/pathfinder/npf/aystar.cpp
+++ b/src/pathfinder/npf/aystar.cpp
@@ -293,7 +293,7 @@ void init_AyStar(AyStar *aystar, Hash_HashProc hash, uint num_buckets)
 
 	/* Set up our sorting queue
 	 *  BinaryHeap allocates a block of 1024 nodes
-	 *  When thatone gets full it reserves an otherone, till this number
+	 *  When that one gets full it reserves another one, till this number
 	 *  That is why it can stay this high */
 	init_BinaryHeap(&aystar->OpenListQueue, 102400);
 
diff --git a/src/saveload/oldloader.h b/src/saveload/oldloader.h
index 9eee86af34..eabf1332d3 100644
--- a/src/saveload/oldloader.h
+++ b/src/saveload/oldloader.h
@@ -124,7 +124,7 @@ static inline uint32 ReadUint32(LoadgameState *ls)
  *  - OCL_VAR: load 'type' to a global var
  *  - OCL_END: every struct must end with this
  *  - OCL_NULL: read 'amount' of bytes and send them to /dev/null or something
- *  - OCL_CHUNK: load an other proc to load a part of the savegame, 'amount' times
+ *  - OCL_CHUNK: load another proc to load a part of the savegame, 'amount' times
  *  - OCL_ASSERT: to check if we are really at the place we expect to be.. because old savegames are too binary to be sure ;)
  */
 #define OCL_SVAR(type, base, offset)         { type,                 1,    NULL, (uint)cpp_offsetof(base, offset), NULL }
diff --git a/src/saveload/order_sl.cpp b/src/saveload/order_sl.cpp
index 05e7ece45c..fc4cf4b0ba 100644
--- a/src/saveload/order_sl.cpp
+++ b/src/saveload/order_sl.cpp
@@ -131,8 +131,8 @@ static void Load_ORDR()
 		size_t len = SlGetFieldLength();
 
 		if (CheckSavegameVersion(5)) {
-			/* Pre-version 5 had an other layout for orders
-			    (uint16 instead of uint32) */
+			/* Pre-version 5 had another layout for orders
+			 * (uint16 instead of uint32) */
 			len /= sizeof(uint16);
 			uint16 *orders = MallocT<uint16>(len + 1);
 
diff --git a/src/screenshot.cpp b/src/screenshot.cpp
index 49662e6ce4..bbfa80f729 100644
--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -353,7 +353,7 @@ static bool MakePCXImage(const char *name, ScreenshotCallback *callb, void *user
 	bool success;
 
 	if (pixelformat == 32) {
-		DEBUG(misc, 0, "Can't convert a 32bpp screenshot to PCX format. Please pick an other format.");
+		DEBUG(misc, 0, "Can't convert a 32bpp screenshot to PCX format. Please pick another format.");
 		return false;
 	}
 	if (pixelformat != 8 || w == 0)
diff --git a/src/script/squirrel_std.hpp b/src/script/squirrel_std.hpp
index 76af3c155c..b791668599 100644
--- a/src/script/squirrel_std.hpp
+++ b/src/script/squirrel_std.hpp
@@ -37,7 +37,7 @@ public:
 	static SQInteger max(HSQUIRRELVM vm);
 
 	/**
-	 * Load an other file on runtime.
+	 * Load another file on runtime.
 	 * @note This is always loaded on the root-level, no matter where you call this.
 	 * @note The filename is always relative from the script it is called from. Absolute calls are NOT allowed!
 	 */
diff --git a/src/spriteloader/grf.cpp b/src/spriteloader/grf.cpp
index 4600c42252..de47201e16 100644
--- a/src/spriteloader/grf.cpp
+++ b/src/spriteloader/grf.cpp
@@ -94,7 +94,7 @@ bool SpriteLoaderGrf::LoadSprite(SpriteLoader::Sprite *sprite, uint8 file_slot,
 
 	sprite->AllocateData(sprite->width * sprite->height);
 
-	/* When there are transparency pixels, this format has an other trick.. decode it */
+	/* When there are transparency pixels, this format has another trick.. decode it */
 	if (type & 0x08) {
 		for (int y = 0; y < sprite->height; y++) {
 			bool last_item = false;
diff --git a/src/viewport.cpp b/src/viewport.cpp
index 313a2d3762..2e7753b445 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -1186,7 +1186,7 @@ void ViewportSign::UpdatePosition(int center, int top, StringID str)
  */
 void ViewportSign::MarkDirty() const
 {
-	/* We use ZOOM_LVL_MAX here, as every viewport can have an other zoom,
+	/* We use ZOOM_LVL_MAX here, as every viewport can have another zoom,
 	 *  and there is no way for us to know which is the biggest. So make the
 	 *  biggest area dirty, and we are safe for sure.
 	 * We also add 1 to make sure the whole thing is redrawn. */