stablemate

/ˈsteɪbəlˌmeɪt/
noun
  1. A horse that lives in the same stable as another horse.
    • The two racehorses are stablemates and often travel together to competitions.
    • The young foal quickly became friends with its stablemate, a gentle older mare.
    • The trainer made sure each stablemate had its own stall and feeding schedule.
  2. A person or thing that belongs to the same group, organization, or category as another.
    • In the tech industry, these two software programs are stablemates under the same parent company.
    • The small bakery and the coffee shop are stablemates in the same local food market.
    • The two authors are stablemates at the same publishing house.
Antonyms
What does "stablemate" mean? | whatsthatwordmean | whatsthatwordmean