galley vs cuddy

galley and cuddy both are nouns.

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

As nouns, cuddy is a hyponym of galley; that is, cuddy is a word with a more specific, narrower meaning than galley:

galley (noun)	cuddy (noun)
the area for food preparation on a ship	the galley or pantry of a small 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