Plain sailing and Piece of cake

Plain sailing noun - Easy unobstructed progress.

Piece of cake and plain sailing are semantically related. in as easy as falling off a log topic. In some cases you can use "Piece of cake" instead the phrase "Plain sailing" as an adjective or a noun. informal substitute

Piece of cake noun - Any undertaking that is easy to do.

Plain sailing and piece of cake are semantically related. You can use "Plain sailing" instead the phrase "Piece of cake" as an adjective or a noun.