哀歓[aikan] joys and sorrows
歓心を買う[kanshinwokau] to win favour
歓楽[kanraku] pleasure
歓楽街[kanrakugai] pleasure quarter
歓喜[kanki] delight

歓迎[kangei] welcome
歓迎会[kangeikai] welcome party
歓呼[kanko] acclamation
歓心[kanshin] favour
歓声[kansei] cheer