We don't have synonyms for premierships yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are premiership.
(n) :
(Australia, sporting) The position held by the champion team at the end of a particular season (especially as used in Australian rules football).
(n) :
(British, soccer) the Premier League of English association football
(n) :
(British, rugby) Premiership Rugby, the top division of English rugby union
(n) :
(Australia, sporting) The position held by the champion team at the end of a particular season (especially as used in Australian rules football).
(n) :
(British, soccer) the Premier League of English association football
(n) :
(British, rugby) Premiership Rugby, the top division of English rugby union