Fool around and Play with

Fool around verb - To engage in attention-getting playful or boisterous behavior.

Play with and fool around are semantically related In some cases you can use "Play with" instead a verb "Fool around".

Play with verb - To handle thoughtlessly, ignorantly, or mischievously.

Fool around and play with are semantically related in toy with topic. Sometimes you can use "Fool around" instead a verb "Play with".