笑顔【えがお】
smiling face, smile
笑い【わらい】
laugh, laughter, smile, sneer, sex aids (e.g. dildos, pornographic books, erotic woodblock prints, etc.)
微笑【びしょう】
smile
笑う【わらう】
to laugh, to smile, to sneer, to ridicule, to be dumbfounded, to be flabbergasted
笑い声【わらいごえ】
(sound of) laughter, laughing voice
談笑【だんしょう】
friendly chat, pleasant chat, lighthearted talk, friendly conversation
苦笑【くしょう】
bitter smile, wry smile, strained laugh, sarcastic laugh
苦笑い【にがわらい】
bitter smile, wry smile, forced smile, strained laugh
冷笑【れいしょう】
sneer, derision, scornful laugh, cold smile
大笑い【おおわらい】
great laughter, burst of laughter