thumbnut vs wing nut

thumbnut and wing nut both are nouns.

Word	Noun	Adjective	Verb	Adverb
thumbnut	Yes	No	No	No
wing nut	Yes	No	No	No

As nouns, thumbnut and wing nut are synonyms defined as:

thumbnut and wing nut: a threaded nut with winglike projections for thumb and forefinger leverage in turning

Other synonyms of thumbnut include butterfly nut, wing-nut, wing screw.

thumbnut (noun)	wing nut (noun)
a threaded nut with winglike projections for thumb and forefinger leverage in turning	a threaded nut with winglike projections for thumb and forefinger leverage in turning
	any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia