Please, thank you, and the basics of being polite.

• നന്ദിThank you
• വളരെ നന്ദിThank you very much
• ദയവായിPlease (used before a request, e.g. 'please sit')
• ക്ഷമിക്കണംSorry / Excuse me (to apologize or get attention)
• സാരമില്ലIt's okay / No problem / Never mind
• ഉവ്വ്Yes (everyday spoken affirmation)
• അതെYes / That's right (affirming)
• അല്ലNo / It is not (so)
• ഇല്ലNo / There isn't / Don't have
• സന്തോഷംMy pleasure / Gladly (lit. 'happiness')
• ക്ഷമിക്കണം, ഒന്ന് മാറിത്തരാമോ?Excuse me, could you move aside? (polite, to pass)
• സ്വാഗതംYou're welcome / Welcome