bristly oxtongue vs bugloss

bristly oxtongue and bugloss both are nouns.

Word	Noun	Adjective	Verb	Adverb
bristly oxtongue	Yes	No	No	No
bugloss	Yes	No	No	No

As nouns, bristly oxtongue and bugloss are synonyms defined as:

bristly oxtongue and bugloss: widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States

Other synonyms of bristly oxtongue include bitterweed, oxtongue, Picris echioides.

bristly oxtongue (noun)	bugloss (noun)
widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States	perennial or biennial herb cultivated for its delicate usually blue flowers
	widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States