Which one of the following is correctly spelled word?1dysentary2diarrhoea3defeciency4discourtiousAnswer & explanation+Correct answer: option 2 The correct answer is OPTION 2 - diarrhoea Dysentary → Incorrect spelling; correct spelling is Dysentery. Diarrhoea → Correct spelling (British English). Defeciency → Incorrect spelling; correct spelling is Deficiency. Discourtious → Incorrect spelling; correct spelling is Discourteous.