irruption vs entering

irruption and entering both are nouns.

Word	Noun	Adjective	Verb	Adverb
irruption	Yes	No	No	No
entering	Yes	No	No	No

As nouns, entering is a hypernym of irruption; that is, entering is a word with a broader meaning than irruption:

Other hypernyms of irruption include entrance, entry, incoming, ingress.

irruption (noun)	entering (noun)
a sudden violent entrance; a bursting in	the act of entering
a sudden violent spontaneous occurrence (usually of some undesirable condition)	a movement into or inward
a sudden sharp increase in the relative numbers of a population