Answer: stablemate

AnswerCrossword Clue
STABLEMATEOne to horse around with?
STABLEMATEReliable spouse?
STABLEMATEAn "associate" in boxing or racing.
STABLEMATEAssociate of a sort, in sports.
STABLEMATESteadfast spouse?
STABLEMATELevel-headed groom?
stablemateA person or product from the same organization or background as another
stablematea horse from the same stable as another
stablemateA horse, esp. a racehorse, from the same establishment as another