deer's-ears vs columbo

deer's-ears and columbo both are nouns.

Word	Noun	Adjective	Verb	Adverb
deer's-ears	Yes	No	No	No
columbo	Yes	No	No	No

As nouns, deer's-ears and columbo are synonyms defined as:

deer's-ears and columbo: any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington

Other synonyms of deer's-ears include American columbo, American gentian, deer's-ear, pyramid plant.

deer's-ears (noun)	columbo (noun)
any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington	any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington