brain-twister

and brain-teaser

n. a puzzle, especially one that requires thinking. Can you help me with this brain-teaser? I can spend my whole vacation doing brain-twisters.

Name	Pronounced	Usage
BoŽEna	-	Czech, Slovak, Slovene, Croatian, Serbian
Zerachiel	-	Judeo-Christian Legend
Bermudo	-	Spanish (Archaic)
Teofilo	-	Italian
Candida	['kændidiə]
Gwilym	-	Welsh