Answer: intersperse

AnswerCrossword Clue
INTERSPERSEVary at random.
INTERSPERSEScatter
INTERSPERSEWork in different enterprises (11)
INTERSPERSEStick here and there
intersperseScatter among or between other things; place here and there
intersperseto place something at intervals in or among
intersperseDiversify (a thing or things) with other things at intervals