In-i-tiate, egwyddori; derbyn i fewn

In-junc-tion, gorchmmyn, archiad

In-ju-ry, cam, sarhad, niwed

In-jus-tice, anghyfiawnder, cam

In-ner-most, nesaf i fewn

In-no-cence, diniweidrwydd

In-no-cent, diniweid, dieuog

In-qui-ry, ymofyniad, chwiliad

In-ser-tion, gosodiad i fewn

In-sin-cere, anghywir, rhagrithiol