burr marigold vs beggar-ticks

burr marigold and beggar-ticks both are nouns.

Word	Noun	Adjective	Verb	Adverb
burr marigold	Yes	No	No	No
beggar-ticks	Yes	No	No	No

As nouns, burr marigold and beggar-ticks are synonyms defined as:

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

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

burr marigold (noun)	beggar-ticks (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
	the seed of bur marigolds