クスクス笑う[kusukusuwarau] to giggle
けらけら笑う[kerakerawarau] to cackle
げらげら笑う[geragerawarau] to guffaw
一笑[isshou] laugh
一笑に付す[isshounifusu] to laugh (someone) down

一顰一笑[ippinisshou] (a) mood
可笑しい[okashii] funny
含み笑い[fukumiwarai] suppressed laugh
嬉笑[kishou] happy laughter
戯笑[gishou] playful laughter

延納[ennou] deferred payment
仮納[kanou] deposit
仮納金[kanoukin] deposit
仮納税[karinouzei] tax payment under protest
格納[kakunou] storage

格納庫[kakunouko] (aircraft) hangar
帰納[kinou] induction
帰納法[kinouhou] induction
結納[yuinou] engagement gift
献納[kennou] offering