5 letters · 7 points in Scrabble
verb cause to move back by force or influence
verb be repellent to; cause aversion in
verb force or drive back
originFrom Middle English repellen, a borrowing from Old French *repeller, from Latin repellere (“to drive back”), from re- (“back”) + pellere (“to drive”). Doublet of repeal.
Etymology from Wiktionary, CC BY-SA 3.0