In-com-mode, rhwystro
In-com-pact, anghryno
In-com-plete, anghyfan, anghwbl
In-cor-rect, anghywir, gwallus
In-cor-rupt, anllygredig, dilwgr
In-cu-bate, dëor
In-cum-bent, perchenog bywiolaieth
In-cur-sion, ymgyrch, rhuthdaith
In-debt-ed, dyledus; rhwymedig
In-de-cent, anweddaidd, anhardd