俳句【はいく】
haiku, 17-mora poem, usu. in 3 lines of 5, 7 and 5 morae
文句【もんく】
complaint, grumbling, objection, phrase, words, expression
句【く】
section (i.e. of text), sentence, passage, paragraph, phrase, verse (of 5 or 7 mora in Japanese poetry; of 4, 5, or 7 characters in Chinese poetry), haiku, first 17 morae of a renga, etc., maxim, saying, idiom, expression
語句【ごく】
words, phrases
節句【せっく】
seasonal festival
美辞麗句【びじれいく】
flowery words, rhetorical flourishes
句読点【くとうてん】
punctuation mark
慣用句【かんようく】
idiom, set phrase, idiomatic phrase