In-dig-ni-ty, anmharch, anfri
In-dis-cre-tion, annoethineb
In-dus-tri-ous, diwyd, llafurus
In-e-bri-ate, meddwi, brwysgo
In-fal-li-ble, anhyfeth, anffaeledig
In-fe-ri-or, isafiad, israddolwr; gwaelach
In-fin-i-tive, annherfynol
In-firm-a-ry, clafdy, ysbytty
In-firm-i-ty, gwendid, llesgedd
In-flam-ma-tion, fflammeg, ennynfa