Pu-tres-cent, braenllyd, llygredig

Pu-trid-ness, braenedd

Pyr-a-mid, bera

Quad-ran-gle, pedror, pedrongl: pedrongli

Quad-rat-ic, pedryradd, pedraidd

Quad-ru-ped, pedwartroed

Quad-ru-ple, pedwarplyg

Qual-i-fy, addasu, cymhwyso

Qual-i-ty, cynneddf; rhinwedd; ansawdd; rhywogaeth

Quan-ti-ty, swm, maint