competition Antonyms

cooperation accompanyist sympathizer supporter SPAR solidarity sister shrike shipmate shadow synergism synergy teamwork interoperability yokemate workman workfellow unionist ulan triumvirate trade union trades union sextet septet pard pal outfit octet mutualism mucker messmate mate marrow partner partnership patronage schoolmate schoolfellow roommate representative reliever relationship relation playmate playfellow marrer bunkmate bosom pal matrilineage matrisib