be vs occupy

be and occupy both are verbs.

Word	Noun	Adjective	Verb	Adverb
be	No	No	Yes	No
occupy	No	No	Yes	No

As verbs, occupy is a hypernym of be; that is, occupy is a word with a broader meaning than be:

Other hypernyms of be include take, use up.

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

be (verb)	occupy (verb)
spend or use time	consume all of one's attention or time
work in a specific place, with a specific subject, or in a specific function	march aggressively into another's territory by military force for the purposes of conquest and occupation
have an existence, be extant	require (time or space)
have life, be alive	keep busy with
form or compose	assume, as of positions or roles
have the quality of being; (copula, used with an adjective or a predicate noun)	live (in a certain place)
occupy a certain position or area; be somewhere	occupy the whole of
be identical to; be someone or something	be on the mind of
be identical or equivalent to
represent, as of a character on stage
be priced at
to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form