tick-weed vs tickweed

tick-weed and tickweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
tick-weed	Yes	No	No	No
tickweed	Yes	No	No	No

As nouns, tick-weed and tickweed are synonyms defined as:

tick-weed 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 tick-weed include coreopsis, tickseed.

tick-weed (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