collapse vs happening

collapse and happening both are nouns.

Word	Noun	Adjective	Verb	Adverb
collapse	Yes	No	Yes	No
happening	Yes	No	No	No

As nouns, happening is a hypernym of collapse; that is, happening is a word with a broader meaning than collapse:

collapse: a natural event caused by something suddenly falling down or caving in
happening: an event that happens

Other hypernyms of collapse include natural event, occurrence, occurrent.

As nouns, happening is a hypernym of collapse; that is, happening is a word with a broader meaning than collapse:

collapse: a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
happening: an event that happens

Other hypernyms of collapse include natural event, occurrence, occurrent.

collapse (noun)	happening (noun)
the act of throwing yourself down; collapse; sink	an event that happens
a natural event caused by something suddenly falling down or caving in
a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
an abrupt failure of function or complete physical exhaustion

collapse (verb)	happening (verb)
collapse due to fatigue, an illness, or a sudden attack
lose significance, effectiveness, or value
suffer a nervous breakdown
break down, literally or metaphorically
fold or close up
fall apart
cause to burst