Porpoise and Roly-poly

Porpoise noun - Any of several small gregarious cetacean mammals having a blunt snout and many teeth.

Roly-poly and porpoise are semantically related. In some cases you can replace phrase "Roly-poly" with "Porpoise", this terms are similar.

Roly-poly adjective - Having an excess of body fat.

Porpoise and roly-poly are semantically related. Sometimes you can replace term "Porpoise" with "Roly-poly", this terms are similar.