1. Noun which may take the genitive case particle 'no', Na-adjective (keiyodoshi), Noun

   equal (in ability); even; evenly matched; well-matched; on par (with)

   私と互角で渡り合える女の子でなければだめだ。

Also written 牛角【ごかく】gokaku、互格【ごかく】gokaku