arise vs occur

arise and occur both are verbs.

Word	Noun	Adjective	Verb	Adverb
arise	No	No	Yes	No
occur	No	No	Yes	No

As verbs, occur is a hypernym of arise; that is, occur is a word with a broader meaning than arise:

Other hypernyms of arise include come about, fall out, go on, hap, happen, pass, pass off, take place.

arise (verb)	occur (verb)
get up and out of bed	come to pass
result or issue	come to one's mind; suggest itself
rise to one's feet	to be found to exist
move upward
take part in a rebellion; renounce a former allegiance
come into existence; take on form or shape
originate or come into being