Nim-ble, cyflym, heinif
Nip-pers, gefail, gefeilan
No-ble, ardderchog, godidog; boneddig
Nois-y, trystfawr, bloeddfawr
Non-sense, ffoledd, ffregod
Non-suit, anhawl: dihawli
North-ward, tua 'r gogledd
Nos-tril, ffroen
No-ted, nodedig, hynod
Noth-ing, dim, diddym