Binary and Double-dealing

Binary noun - A system of two stars that revolve around each other under their mutual gravitation.

Double-dealing and binary are semantically related. In some cases you can use "Double-dealing" instead a noun "Binary".

Double-dealing noun - The inclination or practice of misleading others through lies or trickery.

Binary and double-dealing are semantically related. Sometimes you can use "Binary" instead a noun phrase "Double-dealing".