shadow vs shade off

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

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

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

Other synonyms of shadow include shade.

shadow (noun)	shade off (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

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