humdinger vs apotheosis

humdinger and apotheosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
humdinger	Yes	No	No	No
apotheosis	Yes	No	No	No

As nouns, apotheosis is a hypernym of humdinger; that is, apotheosis is a word with a broader meaning than humdinger:

humdinger: someone of remarkable excellence
apotheosis: model of excellence or perfection of a kind; one having no equal

Other hypernyms of humdinger include ideal, nonesuch, nonpareil, nonsuch, paragon, saint.

humdinger (noun)	apotheosis (noun)
someone of remarkable excellence	the elevation of a person (as to the status of a god)
	model of excellence or perfection of a kind; one having no equal