beggar's-ticks vs bur marigold

beggar's-ticks and bur marigold both are nouns.

Word	Noun	Adjective	Verb	Adverb
beggar's-ticks	Yes	No	No	No
bur marigold	Yes	No	No	No

As nouns, beggar's-ticks and bur marigold are synonyms defined as:

beggar's-ticks and bur marigold: any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing

Other synonyms of beggar's-ticks include beggar-ticks, burr marigold, sticktight.

beggar's-ticks (noun)	bur marigold (noun)
any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing	any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing