shew vs sustain

shew and sustain both are verbs.

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

As verbs, sustain is a hypernym of shew; that is, sustain is a word with a broader meaning than shew:

shew: establish the validity of something, as by an example, explanation or experiment
sustain: establish or strengthen as with new evidence or facts

Other hypernyms of shew include affirm, confirm, corroborate, substantiate, support.

shew (verb)	sustain (verb)
establish the validity of something, as by an example, explanation or experiment	undergo (as of injuries and illnesses)
	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