bugloss vs oxtongue

bugloss and oxtongue both are nouns.

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

As nouns, bugloss and oxtongue are synonyms defined as:

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

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

bugloss (noun)	oxtongue (noun)
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
widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States