sustain vs nourish

sustain and nourish both are verbs.

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

As verbs, sustain and nourish are synonyms defined as:

Other synonyms of sustain include nurture.

sustain (verb)	nourish (verb)
undergo (as of injuries and illnesses)	provide with nourishment
establish or strengthen as with new evidence or facts	give nourishment to
admit as valid
supply with necessities and support
provide with nourishment
be the physical support of; carry the weight of
lengthen or extend in duration or space