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Inquiry vs. Enquiry Words spelled similarly are quite common in the English vocabulary. But those that are different only through their first letter are less frequent and even more confusing. They almost sound the same, their spellings are almost identical, yet "inquiry" and "enquiry" differ through their first letters. So what does "inquiry" mean and what does the form starting with "e" stand for? In what contexts are they used and how do you know how to choose one of them and not to make ... Indian Railways Reservation Enquiry, PNR Status, Live Running Status, Search Trains, Availability, Running History/Statistics, Confirmation Prediction, Train Schedule ... Learn the difference between inquiry and enquiry, two words that mean investigation but are used in different contexts. Inquiry is formal, enquiry is less formal, and the same rule applies for the verbs inquire and enquire. (Definition of enquiry from the Cambridge Business English Dictionary © Cambridge University Press)
