奇怪しい[okashii] funny
怪奇[kaiki] bizarre
奇しくも[kushikumo] strangely
奇異[kii] odd
奇っ怪[kikkai] strange

奇矯[kikyou] eccentric
奇遇[kiguu] unexpected meeting
奇形[kikei] birth defect
奇策[kisaku] clever scheme
奇習[kishuu] strange custom

民譚集[mindanshuu] collection of folk stories
後日譚[gojitsudan] sequel
異聞奇譚[ibunkitan] strange stories and curious tales
英雄譚[eiyuutan] epic
譚詩曲[tanshikyoku] ballade

譚歌[tanka] ballad
奇譚[kitan] mysterious story
経験譚[keikentan] story recounting one's personal experience
古譚[kotan] old tale
譚詩[tanshi] ballade