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
aionios (Greek #166)
perpetual (also used of past time, or past and future as well)
KJV usage: eternal, for ever, everlasting, world (began).
Pronounce: ahee-o'-nee-os