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

衒う[terau] to show off
衒学[gengaku] pedantry
衒気[genki] affectation
衒耀[genyou] false glitter
衒学者[gengakusha] pedant

衒学的[gengakuteki] pedantic
奇を衒う[kiwoterau] to make a display of one's originality (eccentricity)
衒学趣味[gengakushumi] pedantry
女衒[zegen] someone who makes their living selling women into prostitution
衒い[terai] affectation