diawl

The most common expressions for the devil, however, are _Cythraul_, and _diawl_, or _diafol_, but these two last named words are merely forms of Diabolos.

Welsh Folk-Lore a Collection of the Folk-Tales and Legends of North Wales Elias Owen

Canon Silvan Evans in his Welsh Dictionary derives this word from _an_, without, and _gras_, grace; thus, the word becomes synonymous with gracelessness, and he remarks that, although the term is generally rendered devil, it is much softer than that term, or its Welsh equivalent _diawl_.

Welsh Folk-Lore a Collection of the Folk-Tales and Legends of North Wales Elias Owen

Y Catalaniaid yn lled ddig am y rhai hyn oedd yn hyfach na'u croeso, ac yn ceisio ymarfer eu Castileg â'r Catalaniad ar y stondin, oedd fel y Catalaniaid yn gyffredinol yn rhy gwrtais i ddweud wrth y fath bobl am fynd i'r diawl.

Blogiadur.com Y Bachan Main 2009

Doctor Ffaustus; a rhai ... pan oeddynt brysuraf, ymddangosodd y diawl ei hun i chwareu ei bart ac wrth hynny gyrodd bawb o'i bleser i'w weddiau. "

Welsh Folk-Lore a Collection of the Folk-Tales and Legends of North Wales Elias Owen