That's really good to know (although I'm not sure how the "z" is pronounced in that case either). I always say "ksenon", "ksülofown" (ü is a sound between -e a

That's really good to know (although I'm not sure how the "z" is pronounced in that case either). I always say "ksenon", "ksülofown" (ü is a sound between -e and -u and funnily exists in German and Chinese but not English), "ksifoid".