success vs occurrent

success and occurrent both are nouns.

Word	Noun	Adjective	Verb	Adverb
success	Yes	No	No	No
occurrent	Yes	Yes	No	No

As nouns, occurrent is a hypernym of success; that is, occurrent is a word with a broader meaning than success:

Other hypernyms of success include happening, natural event, occurrence.

success (noun)	occurrent (noun)
an attainment that is successful	an event that happens
an event that accomplishes its intended purpose
a person with a record of successes
a state of prosperity or fame

success (adjective)	occurrent (adjective)
	presently occurring (either causally or incidentally)