רָז (rāz) is
an Aramaic noun
meaning secret. It appears
9 times
in 1 book of the Hebrew Bible
(Strong's H7328).
Also rendered
mystery
Same Hebrew root (TWOT 2993)
Range of meaning (TWOT 2993)secret; attenuate, hide, mystery
Full entry: Brown-Driver-Briggs and Strong's
רָזnoun, masculine: secret
Strong's H7328רָז: to attenuate, i.e. (figuratively) hide; a mystery KJV:secret.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.