shadow vs boding

shadow and boding both are nouns.

Word	Noun	Adjective	Verb	Adverb
shadow	Yes	No	Yes	No
boding	Yes	No	No	No

As nouns, boding is a hypernym of shadow; that is, boding is a word with a broader meaning than shadow:

Other hypernyms of shadow include foreboding, premonition, presentiment.

shadow (noun)	boding (noun)
refuge from danger or observation	a feeling of evil to come
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)	boding (verb)
follow, usually without the person's knowledge
make appear small by comparison
cast a shadow over