Double-dealing and Secret plan

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

Secret plan and double-dealing are semantically related. In some cases you can use "Secret plan" instead a noun phrase "Double-dealing".

Secret plan noun - A secret scheme to do something (especially something underhand or illegal).

Double-dealing and secret plan are semantically related. Sometimes you can use "Double-dealing" instead a noun phrase "Secret plan".