Flaps and Flies

Flaps noun - A movable airfoil that is part of an aircraft wing; used to increase lift or drag.

Flies and flaps are semantically related. In some cases you can use "Flies" instead a verb "Flaps".

Flies noun - Theater) the space over the stage (out of view of the audience) used to store scenery (drop curtains.

Flaps and flies are semantically related. Sometimes you can use "Flaps" instead the word "Flies" as a noun or a verb.