humbug vs deceit

humbug and deceit both are nouns.

Word	Noun	Adjective	Verb	Adverb
humbug	Yes	No	Yes	No
deceit	Yes	No	No	No

As nouns, deceit is a hypernym of humbug; that is, deceit is a word with a broader meaning than humbug:

Other hypernyms of humbug include deception, misrepresentation.

humbug (noun)	deceit (noun)
something intended to deceive; deliberate trickery intended to gain an advantage	the act of deceiving
pretentious or silly talk or writing	the quality of being fraudulent
communication (written or spoken) intended to deceive	a misleading falsehood

humbug (verb)	deceit (verb)
trick or deceive