Ax-iom, gwireb, gosodiad
Ax-is, echel, pegwn
Back-bite, absennu, athrodi
Back-slide, gwrthgilio, encilio
Back-ward, yn ol; hwyrfrydig; ammharod
Bad-ger, broch, daiar fochyn
Baf-fle, dyrysu: siomi; trechu
Bag-gage, clud, celfi llu
Bai-liff, maer; hafodwr; ceisbwl
Bal-ance, clorian; mantoliaeth: pwyso; gwastadhau