Answer: startin

AnswerCrossword Clue
STARTINCommence
STARTINPick a fight
STARTINTake the first bite, e.g.
STARTINGet to work
STARTINTake the first step
STARTINBegin.
STARTINBegin
STARTINBegin work
STARTINGet to work (on)
STARTINCommence working
STARTINGet the ball rolling