Answer: regiments

AnswerCrossword Clue
REGIMENTSKeeps a tight rein
REGIMENTSUnits under colonels.
REGIMENTSGroups commanded by colonels.
REGIMENTSOrganizes systematically.
REGIMENTSGroups of troops
regimentsgovernmental rule
regimentsmilitary unit consisting usually of a number of battalions
regimentsREGIMENT, to form into military units