Here is a list of verbs that start with RET.
retail, retailing, retain, retained, retaining
retains, retaliate, retaliated, retaliating, retard
retarded, retarding, retch, retell, rethink
retied, retire, retired, retires, retiring
retold, retort, retorted, retraced, retracing
retracted, retraining, retranslated, retreat, retreated
retreating, retrenching, retrieve, retrieved, retrograde
return, returned, returning, returns
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