keeled vs carinate

keeled is not a noun while carinate is a noun.

Word	Noun	Adjective	Verb	Adverb
keeled	No	Yes	No	No
carinate	Yes	Yes	No	No

As adjectives, keeled and carinate are synonyms defined as:

keeled and carinate: having a ridge or shaped like a ridge or suggesting the keel of a ship

Other synonyms of keeled include carinated, ridged.

keeled (noun)	carinate (noun)
	birds having keeled breastbones for attachment of flight muscles

keeled (adjective)	carinate (adjective)
having a ridge or shaped like a ridge or suggesting the keel of a ship	having a ridge or shaped like a ridge or suggesting the keel of a ship