frotar
/fɾoˈtaɾ/ · B2 · verb
to rub
🧽 frotar sounds like 'fro-TAR': rub the tar off with a sponge
Say fro-TAR and link it to scrubbing tar off a surface: you have to rub hard. The stressed ending -TAR hooks to tar, and the action of removing it is frotar, to rub.