The correct spelling of the name is Alexander. The IPA phonetic transcription for this word is /ælɪɡˈzændər/. The "a" in "Allexander" should be replaced with an "e" to correctly spell the name. The "x" in "Alexander" is pronounced as /ks/ and the emphasis is on the second syllable. It is important to accurately spell names to avoid confusion and to show respect to the individual named.
Allexander appears to be a misspelling or variant spelling of the name Alexander. The etymology of the name Alexander can be traced back to the ancient Greek name Alexandros, which is composed of two elements: alexein meaning to defend or to help and andros meaning man. Thus, Alexander can be interpreted as defender of men or protector of mankind.