window dressing vs deception

window dressing and deception both are nouns.

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

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

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

Other hypernyms of window dressing include deceit, misrepresentation.

window dressing (noun)	deception (noun)
the decoration of shop windows	the act of deceiving
a showy misrepresentation intended to conceal something unpleasant	an illusory feat; considered magical by naive observers
	a misleading falsehood