Sentence:  The <WSD>R word</WSD> no doubt still sounds profane to Roger Federer, but I think I am speaking for most fans of the sport when I say: whenever the time does come for him to exit the stage, some serious advance notice would be appreciated. 
Meaning of the word marked with <WSD> tags:  Any word beginning with r that is considered (often humorously) to be taboo in the given context.