humming top vs spinning top

humming top and spinning top both are nouns.

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

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

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

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

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