shepherd's clock vs goatsbeard

shepherd's clock and goatsbeard both are nouns.

Word	Noun	Adjective	Verb	Adverb
shepherd's clock	Yes	No	No	No
goatsbeard	Yes	No	No	No

As nouns, shepherd's clock and goatsbeard are synonyms defined as:

shepherd's clock and goatsbeard: weedy European annual with yellow flowers; naturalized in United States

Other synonyms of shepherd's clock include meadow salsify, Tragopogon pratensis.

shepherd's clock (noun)	goatsbeard (noun)
weedy European annual with yellow flowers; naturalized in United States	weedy European annual with yellow flowers; naturalized in United States