striking vs occurrent

striking and occurrent both are nouns.

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

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

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

striking (noun)	occurrent (noun)
the act of contacting one thing with another	an event that happens
the physical coming together of two or more things

striking (adjective)	occurrent (adjective)
having a quality that thrusts itself into attention	presently occurring (either causally or incidentally)
sensational in appearance or thrilling in effect