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

誹諧[haikai] haikai
俳諧師[haikaishi] writer of haikai poems
半諧音[hankaion] assonance
諧声[kaisei] vocal harmony
諧調[kaichou] melody

諧謔[kaigyaku] joke
滑稽諧謔[kokkeikaigyaku] smooth-talking and humorous
俳諧の連歌[haikainorenga] haikai (humorous or vulgar renga poetry)
諧謔を弄する[kaigyakuworousuru] to crack jokes
諧和[kaiwa] gentle mutual affection