thresher shark vs thresher

thresher shark and thresher both are nouns.

Word	Noun	Adjective	Verb	Adverb
thresher shark	Yes	No	No	No
thresher	Yes	No	No	No

As nouns, thresher shark and thresher are synonyms defined as:

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

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

thresher shark (noun)	thresher (noun)
large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed	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