Here is a list of verbs that start with PLU.
pluck, plucked, plucking, plug, plugged
plugging, plumbed, plumed, plummeting, plumped
plunder, plunge, plunged, plunges, plunging
plunking
Hope you enjoy this page of verbs that start with plu 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.