Im-pal-pa-ble, annheimladwy
Im-ped-i-ment, attalfa, rhwystr
Im-per-a-tive, gorchymmynol; archadwy
Im-pe-ri-al, amherodrawl
Im-per-fec-tion, ammherffeithrwydd
Im-per-ti-nence, ammherthynas, anfoesgarwch
Im-per-ti-nent, ammherthynasol; haerllug
Im-pet-u-ous, egniol, gorwyllt, ffyrnig
Im-pla-ca-ble, anghymmodadwy; anfodd
Im-plic-it-ly, o guddganlyniad; o ganlyniad