tickseed vs tickweed

tickseed and tickweed both are nouns.

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

As nouns, tickseed and tickweed are synonyms defined as:

tickseed 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 tickseed include coreopsis, tick-weed.

tickseed (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