Flip-flop and Running shoe

Flip-flop noun - A changing from one policy or point of view to virtually its exact opposite.

Running shoe and flip-flop are semantically related. In some cases you can use "Running shoe" instead a noun phrase "Flip-flop".

Running shoe noun - A light comfortable shoe designed for running.

Flip-flop and running shoe are semantically related. Sometimes you can replace phrase "Flip-flop" with "Running shoe", this phrases are similar.