clammy chickweed vs mouse-ear chickweed

clammy chickweed and mouse-ear chickweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
clammy chickweed	Yes	No	No	No
mouse-ear chickweed	Yes	No	No	No

As nouns, clammy chickweed and mouse-ear chickweed are synonyms defined as:

clammy chickweed and mouse-ear chickweed: any of various plants related to the common chickweed

Other synonyms of clammy chickweed include chickweed, mouse ear, mouse eared chickweed.

clammy chickweed (noun)	mouse-ear chickweed (noun)
any of various plants related to the common chickweed	any of various plants related to the common chickweed