shade off vs shadow

shade off is not a noun while shadow is a noun.

Word	Noun	Adjective	Verb	Adverb
shade off	No	No	Yes	No
shadow	Yes	No	Yes	No

As verbs, shade off and shadow are synonyms defined as:

Other synonyms of shade off include shade.

shade off (noun)	shadow (noun)
	refuge from danger or observation
	something existing in perception only
	an indication that something has been present
	a premonition of something adverse
	an unilluminated area
	a spy employed to follow someone and report their movements
	an inseparable companion
	a dominating and pervasive presence
	shade within clear boundaries

shade off (verb)	shadow (verb)
cast a shadow over	follow, usually without the person's knowledge
	make appear small by comparison
	cast a shadow over