Play false and Ratting

Play false verb - Conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end.

Ratting and play false are semantically related In some cases you can use "Ratting" instead a verb phrase "Play false".

Ratting noun - To furnish incriminating evidence to an officer of the law (usually in return for favors).

Play false and ratting are semantically related in betray principles topic. Sometimes you can use "Play false" instead a verb "Ratting".