In-cor-po-ra-tion, cydgorfforiad
In-cor-ri-gi-ble, anniwygiadwy
In-cre-du-li-ty, anghrediniaeth
In-dis-crim-in-ate, diwahân
In-dis-po-si-tion, anhwyl; annhuedd
In-dis-pu-ta-ble, diddadl
In-di-vid-u-al, un, undyn, un neillduol
In-e-qual-i-ty, anghyfartaledd
In-e-qui-va-lent, anghyfwerth; rhy fyr
In-ev-i-ta-ble, anocheladwy