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
douleuo (Greek #1398)
to be a slave to (literal or figurative, involuntary or voluntary)
KJV usage: be in bondage, (do) serve(-ice).
Pronounce: dool-yoo'-o