Pit-a-pat and Rat-a-tat

Pit-a-pat verb - To expand and contract in a rhythmic manner.

Rat-a-tat and pit-a-pat are semantically related. In some cases you can use "Rat-a-tat" instead the phrase "Pit-a-pat" as a noun or a verb.

Rat-a-tat noun - A series of short sharp taps (as made by strokes on a drum or knocks on a door).

Pit-a-pat and rat-a-tat are semantically related. You can use "Pit-a-pat" instead the phrase "Rat-a-tat" as a noun or a verb.