In-ju-ri-ous, camweddus, niweidiol
In-i-qui-ty, drygioni, anwiredd
In-no-va-tion, defod newidiad
In-oc-u-late, impio, bywyllu; gosod y frech wen
In-of-fen-sive, didramgwydd, diniwed
In-qui-si-tion, chwiliad, chwillŷs
In-quis-i-tive, ymofyngar, holgar
In-sen-si-ble, annheimladwy
In-sid-i-ous, dichellgar, twyllgar
In-sin-u-ate, truthymlusgo, gwenieithio