Strong's Greek Dictionary G1
Α A, al'-fah;
of Hebrew origin; the first letter of the alphabet; figuratively, only (from its use as a numeral) the first: --Alpha. Often used (usually an, before a vowel) also in composition (as a contraction from G427) in the sense of privation; so, in many words, beginning with this letter; occasionally in the sense of union (as a contraction of G260).
KJV Translation(s):--
The KJV NT Used G1 4 Times
Alpha(4x).
Webster's 1828 Dictionary
Alpha

Smith's 1884 Bible Dictionary