window dressing vs deceit

window dressing and deceit both are nouns.

Word	Noun	Adjective	Verb	Adverb
window dressing	Yes	No	No	No
deceit	Yes	No	No	No

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

window dressing: a showy misrepresentation intended to conceal something unpleasant
deceit: a misleading falsehood

Other hypernyms of window dressing include deception, misrepresentation.

window dressing (noun)	deceit (noun)
the decoration of shop windows	the act of deceiving
a showy misrepresentation intended to conceal something unpleasant	the quality of being fraudulent
	a misleading falsehood