Here is a list of verbs that start with REA.
reach, reached, reaches, reaching, reacquainted
react, reacted, reacting, reactivated, reacts
read, readapting, reading, readjust, readjusted
reads, ready, readying, reaffirm, reaffirmed
reaffirms, realigning, realize, realized, realizes
realizing, reap, reaped, reaping, reappear
reappeared, reappearing, reappears, reapportioned, rear
reared, rearing, rearmed, rearrange, rearranged
rearranging, reason, reasoned, reasoning, reasons
reassemble, reassembled, reassert, reasserting, reassign
reassure, reassured, reassuring, reawaken
Hope you enjoy this page of verbs that start with rea 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.