The words laager, lager, logger sound the same but have different meanings and spellings. Why do laager, lager, logger sound the same even though they are completely different words?
The answer is simple: laager, lager, logger are homophones of the English language.
A defensive encampment encircled by armored vehicles or wagons.
To camp in a defensive encirclement.
A type of beer of German origin that contains a relatively small amount of hops and is aged from six weeks to six months to allow sedimentation. Also called lager beer.
One who logs trees; a lumberjack.
One engaged in the logging business.
A machine, such as a crane or tractor, that is used for hauling or loading logs.
Definitions from The American Heritage® Dictionary of the English Language, 4th Edition and Wordnik.
Homophones (literally "same sound") are usually defined as words that share the same pronunciation, regardless of how they are spelled.
If they are spelled the same then they are also homographs (and homonyms); if they are spelled differently then they are also heterographs (literally "different writing").