हँसना —     हंसमुख —

हँसना  v) laugh; deride (ridiculizar, burlarse); joke (bromear)

हँस पड़ना  v) burst into laughter [risotada, carcajada], begin laughing

हंसी/हँसी  f) smile; laugh, laughter (risa); joke (broma, chiste); derision (burla, mofa), ridicule (mofa, escarnio)

हँसाना  v) cause to laugh, amuse

हंसमुख  a) cheerful, merry (feliz, alegre)