catchweed vs cleavers

catchweed and cleavers both are nouns.

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

As nouns, catchweed and cleavers are synonyms defined as:

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

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

catchweed (noun)	cleavers (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