catchweed vs clivers

catchweed and clivers both are nouns.

Word	Noun	Adjective	Verb	Adverb
catchweed	Yes	No	No	No
clivers	Yes	No	No	No

As nouns, catchweed and clivers are synonyms defined as:

catchweed and clivers: annual having the stem beset with curved prickles; North America and Europe and Asia

Other synonyms of catchweed include cleavers, Galium aparine, goose grass, spring cleavers.

catchweed (noun)	clivers (noun)
annual having the stem beset with curved prickles; North America and Europe and Asia	annual having the stem beset with curved prickles; North America and Europe and Asia