Yet more recent, and possibly still a neologism, is the word coquel, which like prequel is adapted from sequel with a prefix that indicates its temporal relation to the plot of the source: coquels evoke events that are simultaneous with the source text.

Straighten out your necktie and comb your hair.

Dietet′ists[…]. Physicians, who apply only the rules of dietetics to their treatment of disease.

Unfortunately Todd is a dummy, but what's worse is that Harvey is a shithead.