carinated vs carinate

carinated is not a noun while carinate is a noun.

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

As adjectives, carinated and carinate are synonyms defined as:

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

Other synonyms of carinated include keeled, ridged.

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

carinated (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