Answer: cog

AnswerCrossword Clue
COGGearwheel
COGLittle fish in a big pond
COGMechanical wheel
COGPart of the system
COGLittle piece of a big machine
COGMachine tooth
COGSubordinate sort
COGMinor worker
COGMachine part
COGMetal tooth
COGMinor employee
COGSubordinate employee
COGSubordinate member of a large organization
COGUnsung worker
COGSlip a ... (make a blunder)
COGTooth of a sort
COGWheel tooth.
COGTooth.
COGImportant factor.
COGSmall but necessary part.
cogsubordinate but integral person or part
COGMinor part
COGGear part
COGImportant part
COGMinor player
COGGearwheel feature
COGSubordinate part
COGGear component
COGTooth on a gearwheel
COGSprocket
COGIt has teeth
COGGear tooth
COGNot-so-big wheel?
COGTorque-transmitting tooth
COGHardly a big wheel
COGWheel tooth
COG... railway
COGSlip a ... (err)
COGA worm gear lacks it
COGMinor player, so to speak