Fast one and Fact-finding

Fast one noun - A cunning or deceitful action or device.

Fact-finding and fast one are semantically related. In some cases you can use "Fact-finding" instead a noun phrase "Fast one".

Fact-finding adjective - Designed to find information or ascertain facts.

Fast one and fact-finding are semantically related. Sometimes you can use "Fast one" instead a noun phrase "Fact-finding".