Dis-cov-er, darganfod, dadguddio
Dis-cour-age, anghefnogi, llyfrhau
Dis-cred-it, anghlod: gwarthruddo
Dis-cre-tion, callineb, synwyr, pwyll
Dis-cus-sion, holiad, chwiliad, dadleuad
Dis-dain-ful, diystyrllyd, dirmygol
Dis-em-bark, tirio, glanio, dadlongi
Dis-em-bogue, ymarllwys; ymdywallt
Dis-en-gage, rhyddhau; dadrysu
Dis-en-thral, dadgaethiwo; rhyddhau