Yn seiliedig ar teared, geiriau newydd a ffurfir drwy ychwanegu un llythyr ar ddechrau neu ar ddiwedd:
a - adeert b - aerated c - berated d - debater f - rebated h - tabered l - catered m - cerated p - created r - reacted s - derated t - redated v - treaded w - draftee x - earthed
