tickweed vs coreopsis

tickweed and coreopsis both are nouns.

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

As nouns, tickweed and coreopsis are synonyms defined as:

tickweed and coreopsis: 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 tickweed include tick-weed, tickseed.

tickweed (noun)	coreopsis (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