In the following sentence, four words printed in bold type are given. One of these words printed in bold may either be wrongly spelt or inappropriate in the context of the sentence. Find out the word that is inappropriate or wrongly spelt, if any. If the words printed in bold are correctly spelt and appropriate in the context of the sentence then mark 'No error’ as your answer.

Because special needs students must ultimately function in a normal environment, greater experience with their peers ought to enhance their interrogation into society.