Synonyms of stopper

1 Syllable
cork, wad, bung, fill, lid
2 Syllables
shutoff, bobbers, choked, bobber, gasket, covers, stopple, sealing, choking, blocked, spigot, cover, obstruct, valve, clogged, finial, spile, plugging, phellem, noosed, blocking
3 Syllables
stoppering, occluding, occludent, fastigium, occlude, obstructed, occluded
4 Syllables
waterproofed, waterproofing, amazement