humming top vs whirligig

humming top and whirligig both are nouns.

Word	Noun	Adjective	Verb	Adverb
humming top	Yes	No	No	No
whirligig	Yes	No	Yes	No

As nouns, whirligig is a hypernym of humming top; that is, whirligig is a word with a broader meaning than humming top:

humming top: a top that makes a humming noise as it spins
whirligig: a conical child's plaything tapering to a steel point on which it can be made to spin

Other hypernyms of humming top include spinning top, teetotum, top.

humming top (noun)	whirligig (noun)
a top that makes a humming noise as it spins	a large, rotating machine with seats for children to ride on for amusement
	a conical child's plaything tapering to a steel point on which it can be made to spin

humming top (verb)	whirligig (verb)
	whirl or spin like a whirligig