sustain vs verify

sustain and verify both are verbs.

Word	Noun	Adjective	Verb	Adverb
sustain	No	No	Yes	No
verify	No	No	Yes	No

As verbs, verify is a hyponym of sustain; that is, verify is a word with a more specific, narrower meaning than sustain:

Other hyponyms of sustain include back, back up, vouch, demonstrate, establish, prove, shew, show, document, validate.

sustain (verb)	verify (verb)
undergo (as of injuries and illnesses)	confirm the truth of
establish or strengthen as with new evidence or facts	to declare or affirm solemnly and formally as true
admit as valid	attach or append a legal verification to (a pleading or petition)
supply with necessities and support	check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard
provide with nourishment
be the physical support of; carry the weight of
lengthen or extend in duration or space