Neat-ness, destledd, tlysni

Need-ful, dir, rhaid, cyfreidiol

Nee-dle, nydwydd; gwachell

Need-y, anghenog, tlawd

Neg-lect, diofalwch: esgeuluso

Neigh-bour, cymmydog

Nei-ther, nid yr un or ddau; na, nac, ychwaith

Neigh-ing, gweryriad

Neph-ew, nai

Nerv-ous, giawg, giawl, gewynog; nerthol, cryf