invasion (n.)
- adoption
- aggression
- appropriation
- arrogation
- assault
- assumption
- attack
- blitzkrieg
- boarding
- breach
- drive
- encroachment
- entrance
- entrenchment
- escalade
- foray
- impingement
- imposition
- incursion
- infestation
- infiltration
- influx
- infraction
- infringement
- injection
- inroad
- insinuation
- interference
- interjection
- interposition
- interruption
- intervention
- intrusion
- irruption
- lousiness
- offense
- offensive
- onslaught
- plague
- raid
- ravage
- scaling
- seizure
- storming
- swarm
- transgression
- trespass
- usurpation
- violation
