Galium aparine vs catchweed

Galium aparine and catchweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Galium aparine	Yes	No	No	No
catchweed	Yes	No	No	No

As nouns, Galium aparine and catchweed are synonyms defined as:

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

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

Galium aparine (noun)	catchweed (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