As a noun zak
is pupil (in school).
As an initialism bak is
basic aeronautical knowledge , an initial theory course for trainee pilots.
zak
English
Noun
(
en noun)
(South Africa, slang) Money.
Sixpence or a small amount of money.
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bak
English
Abbreviation
(Abbreviation)
(head)
(text messaging) back (any sense)
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