minnow vs Phoxinus phoxinus

minnow and Phoxinus phoxinus both are nouns.

Word	Noun	Adjective	Verb	Adverb
minnow	Yes	No	No	No
Phoxinus phoxinus	Yes	No	No	No

As nouns, minnow and Phoxinus phoxinus are synonyms defined as:

minnow and Phoxinus phoxinus: very small European freshwater fish common in gravelly streams

minnow (noun)	Phoxinus phoxinus (noun)
very small European freshwater fish common in gravelly streams	very small European freshwater fish common in gravelly streams