cater vs sustain

cater and sustain both are verbs.

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

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

cater: give what is desired or needed, especially support, food or sustenance
sustain: provide with nourishment

cater (verb)	sustain (verb)
give what is desired or needed, especially support, food or sustenance	undergo (as of injuries and illnesses)
supply food ready to eat; for parties and banquets	establish or strengthen as with new evidence or facts
	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