8 letters · 10 points in Scrabble
noun a depression scratched or carved into a surface
noun the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)
originFrom Middle English inscicioun, from Middle French incision, from Late Latin incisiō from the verb incidō (“to cut into”) + action noun suffix -iō.
Etymology from Wiktionary, CC BY-SA 3.0