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
tugchano (Greek #5177)
akin to the base of 5088 through the idea of effecting; properly, to affect; or (specially), to hit or light upon (as a mark to be reached), i.e. (transitively) to attain or secure an object or end, or (intransitively) to happen (as if meeting with); but in the latter application only impersonal (with 1487), i.e. perchance; or (present participle) as adjective, usual (as if commonly met with, with 3756, extraordinary), neuter (as adverb) perhaps; or (with another verb) as adverb, by accident (as it were)
KJV usage: be, chance, enjoy, little, obtain, X refresh...self, + special. Compare 5180.
Pronounce: toong-khan'-o
Origin: probably for an obsolete τύχω (for which the middle voice of another alternate τεύχω (to make ready or bring to pass) is used in certain tenses