Synonyms for Chew (same or very similar meaning)
WordNet sense 1 (a wad of something chewable as tobacco):
cud, plug, quid, wad, chawWordNet sense 2 (chew (food)):
jaw, masticate, manducateWordNet sense 3 (biting and grinding food in your mouth so it becomes soft enough to swallow):
mastication, chewing, manductionFrom the ODE community, based on WordNetadd/edit