Pro-lon-ga-tion, estyniad, addoediad
Pro-mis-cu-ous, cymmysg, plithtraphlith
Prom-is-so-ry, addawedigol, addewidiol
Pro-mul-ga-tion, cyhoeddiad, hysbysiad
Pro-nom-i-nal, rhagenwawl
Pro-pen-si-ty, tueddiad, tueddfryd
Prop-o-si-tion, testun; gosodiad
Pro-pri-e-tor, meddiannydd
Pro-pri-e-ty, priodoldeb, cymhwysder
Pros-e-cu-tion, canlyniad, erlyniad