Usage Note: stomp and stamp

자료:

Usage Note:  Stomp and stamp are interchangeable in the sense "to trample" or "to tread on violently":  stomped (or stamped) to death;  stomping (or stamping) horses.  Only stamp is used with out to mean "to eliminate":  stamp out a fire;  stamp out poverty.  Stamp is also standard in the sense "to strike the ground with the foot, as in anger or frustration," [to bring the foot down quickly] as in He stamped his foot and began to cry. In an earlier survey the use of stomp in this example was rejected by a large majority of the Usage Panel.

The American Heritage® Dictionary of the English Language,