οὐκ [269 verses](adv) "Not" is ou , the negative adverb for facts and statements, negating both single words and sentences.  The negative, οὐ, denies, is absolute, and objective. -- The Greek word translated as "not" is the Greek negative used to deny objective facts, not opinions. It means "no," "not," or"no truly." It makes a negative statement of fact. When a negative precedes the verb, it affects the whole clause. When it precedes other words, its force is limited to those words. 

οὐ μὴ [39 verses](partic) "Never" is ou me, the two forms of Greek negative used together. Ou is the negative adverb for facts and statements, negating both single words and sentences. Mê (me) is the negative used in prohibitions and expressions of doubt meaning "not" and "no." As οὐ (ou) negates fact and statement; μή rejects, οὐ denies; μή is relative, οὐ absolute; μή subjective, οὐ objective. -- (CW) The "not" here is both of the Greek negatives used together. Greek has two negatives, one objective, one subjective. The use of both together is more extreme, like saying, "never" or literally, "you cannot really think." When a negative precedes the verb, it affects the whole clause. When it precedes other words, its force is limited to those words. CW - Confusing Word -- The "not" does not capture the word's specific meaning.

οὐαὶ [27 verses](exclam)"Woe" is ouai, which is an exclamation of pain or anger meaning "woe" or "alas" but it can be used sarcastically. -- "Woe" is an exclamation of grief, meaning "woe" or "alas." Jesus uses it humorously. Today, we would say "so sad [for you]" or "boo-hoo to you." The word is very similar to the Jewish, "oy vey" which can be used to express sorrow but is more commonly used humorously. More about this phrase in this article on Christ's humor using exaggeration.

οὐχὶ [23 verses](adv) "Not" is ouchi, an adverb which is a strengthened negative that means "no," "no truly," "assuredly not," "not however," "nevertheless," "notwithstanding," "yet," "still," "never yet," "for not," "indeed," "for surely not," "no,—certainly not," "for I don't suppose," and "for in no manner." Sometimes it is used to create negative questions where a positive answer is expected. -- (CW) The word translated as "not" is a different form of the usual Greek negative of fact. It means "no truly," "assuredly not," "not however," "nevertheless," and "notwithstanding." Used in questions where an affirmative answer is expected. Used in answers where a "yes" must be supplied. Perhaps best translated as an "isn't it?" at the end of the sentence.  The fact that ancient Greek has no clear verb form for questions makes interpreting it difficult. This is not one of the common words usually translated as "no." CW --Confusing Word -- This is not one of the common words usually translated as "no."

οὐδὲ [51 verses](partic) "Neither" is oude, which, as a conjunction, means "but not," "neither," and "nor." As an adverb that means "not at all" or "no even" and, literally, "not, however."-- The Greek word for "neither" is is an adverb that means "not at all" or "no even" and, literally, "not, however." As a conjunction, it works as both parts of the "neither/nor" constructions.

οὐδὲν [69 verses](adj sg neut nom /acc) "Nothing" is oudeis which means "no one," "not one," "nothing," "naught," "good for naught," and "no matter." -- The Greek adjective translated as "no man" also means "no one," "nothing," and other negative pronouns. It is used by Jesus more like a negative pronoun than an adjective.  However, to avoid the English double-negative, we translate it as its opposite "anyone" when used with another Greek negative.

Οὐδέποτε [5 verses](adv) "Never" is oudepote, which means "and not ever", "but not when", "nor ever", "not even ever," and "never." It is a compound of oude, and pote. Oude, as a conjunction, means "but not", "neither", and "nor." As an adverb, it means "not at all" and "not even."  Pote means "when", "at what time", "at some time or other", "at some unknown time, and "at some time in the future.  - "Never" is from a Greek word that combine an extreme negative particle with the word that means "when." The Greek negative is an adverb that means "not at all" or "no even".  The second part means "when", "at what time", "at some time or other", "at some unknown time, and "at some time in the future."

οὐκέτι [17 verses](adv) "Henceforth" is ouketi, which means "no more," "no longer," "no further" and generally, "not now."  -- "Henceforth" is an adverb that means "no more," "no longer," "no further" and generally, "not now."

οὖν [82 verses](adv) "Therefore" is oun, which means "certainly," "in fact," "really," "in fact," "so" and "then" (continuing a narrative), and "then" and "therefore." -- The Greek word translated as "therefore" either emphasizes the truth of something ("certainly," "really") or it simply continues an existing narrative, "then," "therefore." Jesus uses it to respond positively to questions, but in parables, it can continue the story.

οὔπω [9 verses](adv) "Not..yet" is from oupo, which means "not yet" and a strong form of "not" and "not at all." -- "Not yet" is an adverb that means "not yet" and a strong form of "not" and "not at all."