Squir-rel, gwiwer, y wiwer
Sta-ble, marchdy; diysgog, sefydlog
Stag-ger, hongcian; petruso
Stag-gers, dera, penddaredd
Stag-nant, llonydd, marw
Stag-nate, croni, llynio
Stam-mer, attalddywedyd: bloesgi
Stand-ard, lluman, baner; prawfreol; gosodedig
Stand-ing, safiad, safle; sefydlog; parhad
Sta-ple, marchnadfa; sefydledig