Answer: friction

AnswerCrossword Clue
FRICTIONDisagreement.
FRICTIONDisagreement
FRICTIONHeat producer
frictionthe rubbing of two bodies together
frictionThe resistance that one surface or object encounters when moving over another
frictionThe action of one surface or object rubbing against another
frictionConflict or animosity caused by a clash of wills, temperaments, or opinions