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