Grumble and Rat-a-tat

Grumble noun - An expression of dissatisfaction, pain, or resentment.

Rat-a-tat and grumble are semantically related In some cases you can use "Rat-a-tat" instead a noun "Grumble".

Nearby Words: grumpy, grumbling, grumbled, grumbler

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

Grumble and rat-a-tat are semantically related in growl topic. Sometimes you can use "Grumble" instead a noun phrase "Rat-a-tat".