8 letters · 17 points in Scrabble
noun a bomb that is designed to start fires; is most effective against flammable targets (such as fuel)
verb attack with incendiary bombs
originEtymology tree Proto-Indo-European *péh₂wr̥ Proto-Germanic *fōr Proto-West Germanic *fuir Old English fȳr Middle English fyr English fire English bomb English firebomb From fire + bomb.
Etymology from Wiktionary, CC BY-SA 3.0