coreopsis vs tickweed

coreopsis and tickweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
coreopsis	Yes	No	No	No
tickweed	Yes	No	No	No

As nouns, coreopsis and tickweed are synonyms defined as:

coreopsis and tickweed: any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America

Other synonyms of coreopsis include tick-weed, tickseed.

coreopsis (noun)	tickweed (noun)
any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America	any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America