Duck soup and Smooth sailing

Duck soup noun - Something that is easy to do.

Smooth sailing and duck soup are semantically related In some cases you can use "Smooth sailing" instead the phrase "Duck soup" as a noun or an adjective.

Duck soup and smooth sailing are semantically related in facility topic. Sometimes you can use "Duck soup" instead the phrase "Smooth sailing" as a noun or an adjective, if it concerns topics such as ease, easy thing to accomplish, easy undertaking.