heist vs steal

heist and steal both are nouns.

Word	Noun	Adjective	Verb	Adverb
heist	Yes	No	Yes	No
steal	Yes	No	Yes	No

As verbs, steal is a hypernym of heist; that is, steal is a word with a broader meaning than heist:

Other hypernyms of heist include rip, rip off.

heist (noun)	steal (noun)
the act of stealing	a stolen base; an instance in which a base runner advances safely during the delivery of a pitch (without the help of a hit or walk or passed ball or wild pitch)
robbery at gunpoint	an advantageous purchase

heist (verb)	steal (verb)
commit a burglary; enter and rob a dwelling	steal a base
	move stealthily
	take without the owner's consent