requel

As a noun requel

is a movie which revisits the subject matter of an earlier film but is not a remake or a linear continuation of its plot (ie a sequel or prequel).

As an adjective undefined is

lacking a definition or value.

As nouns the difference between trequel and requel

is that trequel is a work following a sequel; the third in a series, particularly of films while requel is a movie which revisits the subject matter of an earlier film but is not a remake or a linear continuation of its plot (ie a sequel or prequel).

As nouns the difference between requel and refuel

is that requel is a movie which revisits the subject matter of an earlier film but is not a remake or a linear continuation of its plot (ie a sequel or prequel) while refuel is an act or instance of refueling.

As a verb refuel is

to refill with fuel.

As nouns the difference between prequel and requel

is that prequel is in a series of works, an installment that is set chronologically before its predecessor, especially the original narrative or (perhaps improper usage) any narrative work with at least one sequel while requel is a movie which revisits the subject matter of an earlier film but is not a remake or a linear continuation of its plot (i.e. a sequel or prequel).

As nouns the difference between taxonomy and requel

is that taxonomy is the science or the technique used to make a classification while requel is a movie which revisits the subject matter of an earlier film but is not a remake or a linear continuation of its plot (ie a sequel or prequel).