interruption vs occurrence

interruption and occurrence both are nouns.

Word	Noun	Adjective	Verb	Adverb
interruption	Yes	No	No	No
occurrence	Yes	No	No	No

As nouns, occurrence is a hypernym of interruption; that is, occurrence is a word with a broader meaning than interruption:

Other hypernyms of interruption include happening, natural event, occurrent.

interruption (noun)	occurrence (noun)
an act of delaying or interrupting the continuity	an event that happens
some abrupt occurrence that interrupts an ongoing activity	an instance of something occurring
a time interval during which there is a temporary cessation of something