as sin

Completely or extremely: He is guilty as sin.

Name	Pronounced	Usage
Geertruida	-	Dutch
Math	-	Welsh Mythology
Allegra	ə-LEG-rə (English), ahl-LE-grah (Italian)	English (Rare), Italian (Rare)
Peninnah	pi-NIN-ə (English), pee-NIN-ə (English)	Biblical
Pauliina	POW-lee:-nah	Finnish
Viola	['vaiələ]