Here is a list of verbs that start with PUN.
punch, punched, punching, punctuated, punctured
puncturing, punish, punished, punishes, punishing
punnished, punted
Hope you enjoy this page of verbs that start with pun and the rest of this verb list site as well.
Did I miss any verbs? Visitors can make this a more useful online resource by listing more verbs in the comments.