In-to, i, i fewn i

In-trigue, cuddneges: cuddnegeseua

In-trude, ymwthio i fewn; ymyryd

In-trust, ymddiried

In-vade, rhuthro i, rhuthro

In-veigh, difrio, cablu

In-vent, dyfeisio, dychymmygu

In-verse, gwrthdroëdig

In-vert, gwrthdroi; trawsddodi

In-vest, gwisgo, urddo; gosod mewn meddiant