俳画[haiga] briefly drawn picture
俳句[haiku] haiku
俳号[haigou] pseudonym of a haiku poet
俳人[haijin] haiku poet
俳聖[haisei] famous haiku poet

俳壇[haidan] the world of the haiku
俳文[haibun] prose with a poetic haiku flavor (flavour)
俳味[haimi] subdued taste
俳優[haiyuu] actor
俳友[haiyuu] (haiku) poetry pals

異句同音[ikudouon] in concert
一句[ikku] phrase (verse, line)
一句詠む[ikkuyomu] to make up a haiku poem
引用句[inyouku] quotation
下の句[shimonoku] the last part of a poem or Bible verse

下句[geku] the last part of a poem or Bible verse
佳句[kaku] beautiful passage of literature
慣用句[kanyouku] idiomatic usage
慣用語句[kanyougoku] idiom
脅し文句[odoshimonku] threatening words