beggar lice vs tick trefoil

beggar lice and tick trefoil both are nouns.

Word	Noun	Adjective	Verb	Adverb
beggar lice	Yes	No	No	No
tick trefoil	Yes	No	No	No

As nouns, beggar lice and tick trefoil are synonyms defined as:

beggar lice and tick trefoil: any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments

Other synonyms of beggar lice include beggar's lice.

beggar lice (noun)	tick trefoil (noun)
Eurasian and North American plants having small prickly nutlets that stick to clothing	any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments
any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments