Scent, arogl: arogli

Scoff, gwawd: gwawdio

Scold, clewtan: clewtian

Scoop, ceueg: ceuegu

Scope, bwriad, tuedd

Score, ugain: nodi

Scorn, dirmyg: dirmygu

Scour, ysgwrio, glânrwbio

Scrap, dernyn

Screw, sidrych: sidrychu