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

悪友[akuyuu] undesirable friend
畏友[iyuu] one's esteemed friend
益友[ekiyuu] good friend
学友[gakuyuu] school friend
級友[kyuuyuu] classmate

旧友[kyuuyuu] crony
血友病[ketsuyuubyou] haemophilia
交友[kouyuu] friend
交友関係[kouyuukankei] one's relationships
校友[kouyuu] schoolmate