Which is the correct word: pajama, pyjama or paijama? Is there a difference between these three?
Pajama is the American spelling while pyjama is the British spelling. Both mean the same.
Paijama is the word from which pajama/pyjama has been derived. Also, the meaning (of pajama/pyjama) has been altered a bit.
Pajama/Pyjama was incorporated into the English language during the British Rule in India.
(Bonus: Most people in India call it either "paijama" or "pajama")