Sentence:  In the early days the reviewers compared him to the late Douglas Adams, but then Terry went on to write books as enthusiastically as Douglas avoided writing them, and now, if there is any comparison to be made of anything from the formal rules of a Pratchett novel to the sheer prolific <WSD>fecundity</WSD> of the man, it might be to P. G. Wodehouse. 
Meaning of the word marked with <WSD> tags:  Ability to produce offspring.