ou (Greek #3756)
the absolute negative (compare 3361) adverb; no or not
KJV usage: + long, nay, neither, never, no (X man), none, (can-)not, + nothing, + special, un(-worthy), when, + without, + yet but. See also 3364, 3372.
Pronounce: oo
Origin: οὐκ (ook), and (before an aspirate) οὐχ (ookh) a primary word
sozo (Greek #4982)
to save, i.e. deliver or protect (literally or figuratively)
KJV usage: heal, preserve, save (self), do well, be (make) whole.
Pronounce: sode'-zo
Origin: from a primary σῶς (contraction for obsolete σάος, "safe")