irruption (n.)
- blaze
- boarding
- burst
- convulsion
- cyclone
- encroachment
- entrance
- entrenchment
- eruption
- escalade
- explosion
- fit
- flare-up
- foray
- gale
- gust
- hurricane
- impingement
- imposition
- incursion
- infiltration
- influx
- infringement
- injection
- inroad
- insinuation
- interference
- interjection
- interposition
- interruption
- intervention
- intrusion
- invasion
- outbreak
- outburst
- paroxysm
- raid
- scaling
- seizure
- spasm
- storm
- tempest
- tornado
- trespass
- upheaval
- whirlwind