8 letters · 11 points in Scrabble
noun the act of invading; the act of an army that invades for conquest or plunder
noun any entry into an area not previously occupied
noun (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body
originFrom Middle French invasion, from Late Latin invāsiōnem, accusative of invāsiō.
Etymology from Wiktionary, CC BY-SA 3.0