Indian chickweed vs carpetweed

Indian chickweed and carpetweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indian chickweed	Yes	No	No	No
carpetweed	Yes	No	No	No

As nouns, Indian chickweed and carpetweed are synonyms defined as:

Indian chickweed and carpetweed: annual prostrate mat-forming weed having whorled leaves and small greenish-white flowers; widespread throughout North America

Other synonyms of Indian chickweed include Molluga verticillata.

Indian chickweed (noun)	carpetweed (noun)
annual prostrate mat-forming weed having whorled leaves and small greenish-white flowers; widespread throughout North America	annual prostrate mat-forming weed having whorled leaves and small greenish-white flowers; widespread throughout North America