Crossword Clue:

RETEST to test again

AnswerCrossword Clue
RETRYPut to test again.
RETRYTest again.
REFLYTest an airplane again
REFLYTest a model airplane again
RETAKINGDoing again, as a test
REGRADEScore again, as a test paper
REGRADEGo over a test paper again, perhaps