Alopius vulpinus vs thrasher

Alopius vulpinus and thrasher both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alopius vulpinus	Yes	No	No	No
thrasher	Yes	No	No	No

As nouns, Alopius vulpinus and thrasher are synonyms defined as:

Alopius vulpinus and thrasher: large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed

Other synonyms of Alopius vulpinus include fox shark, thresher, thresher shark.

Alopius vulpinus (noun)	thrasher (noun)
large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed	thrush-like American songbird able to mimic other birdsongs
	large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed
	a farm machine for separating seeds or grain from the husks and straw