baleen vs whalebone

baleen and whalebone both are nouns.

Word	Noun	Adjective	Verb	Adverb
baleen	Yes	No	No	No
whalebone	Yes	No	No	No

As nouns, baleen and whalebone are synonyms defined as:

baleen and whalebone: a horny material from the upper jaws of certain whales; used as the ribs of fans or as stays in corsets

baleen (noun)	whalebone (noun)
a horny material from the upper jaws of certain whales; used as the ribs of fans or as stays in corsets	a horny material from the upper jaws of certain whales; used as the ribs of fans or as stays in corsets