- 笑い声【わらいごえ】 - (sound of) laughter, laughing voice 
- 笑う【わらう】 - to laugh, to smile, to sneer, to ridicule, to be dumbfounded, to be flabbergasted 
- 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.) 
- 笑える【わらえる】 - to laugh, to break into laughter, to be made to laugh, to be funny, to be laughable, to make one laugh, to make one smile 
- 笑わせる【わらわせる】 - to make (someone) laugh, to set to laughing 
- 微笑【びしょう】 - smile 
- お笑い【おわらい】 - comical (story, song), comic, the comedy business (rakugo, manzai, etc.), something laughable 
- 苦笑い【にがわらい】 - bitter smile, wry smile, forced smile, strained laugh 
- 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 
- 笑み【えみ】 - smile 
- 大笑い【おおわらい】 - great laughter, burst of laughter 
- 冷笑【れいしょう】 - sneer, derision, scornful laugh, cold smile 
- 爆笑【ばくしょう】 - roar of laughter (from multiple people), burst of laughter, uproarious laughter, laughing hard (of a single person) 
- 晴れやかな笑顔【はれやかなえがお】 - beaming smile 
- 笑い話【わらいばなし】 - funny story, funny anecdote 
- 失笑【しっしょう】 - laughing at an inappropriate time, not being able to hold back one's laughter, scornful laughter, snicker, snigger 
- 一笑【いっしょう】 - laugh, smile