monoreme vs galley

monoreme and galley both are nouns.

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

As nouns, galley is a hypernym of monoreme; that is, galley is a word with a broader meaning than monoreme:

monoreme: a galley that has one bank of oars.
galley: (classical antiquity) a crescent-shaped seagoing vessel propelled by oars

monoreme (noun)	galley (noun)
a galley that has one bank of oars.	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