caboose vs galley

caboose and galley both are nouns.

Word	Noun	Adjective	Verb	Adverb
caboose	Yes	No	No	No
galley	Yes	No	No	No

As nouns, caboose and galley are synonyms defined as:

Other synonyms of caboose include cookhouse, ship's galley.

caboose (noun)	galley (noun)
a car on a freight train for use of the train crew; usually the last car on the train	the area for food preparation on a ship
the area for food preparation on a ship	the kitchen area for food preparation on an airliner
	(classical antiquity) a crescent-shaped seagoing vessel propelled by oars
	a large medieval vessel with a single deck propelled by sails and oars with guns at stern and prow; a complement of 1,000 men; used mainly in the Mediterranean for war and trading