Here is a list of verbs that start with SHU.
shudder, shuddered, shuddering, shuffle, shuffled
shuffling, shun, shunned, shunning, shuns
shunted, shut, shute, shuts, shuttered
shutting, shuttled, shuttling
Hope you enjoy this page of verbs that start with shu 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.