The Correct spelling is: cronyism
Common misspellings of the word cronyism are:
How do you spell cronyism?. It is not conyism or cornyism or crnoyism or crnyism or cronism or croniysm or cronizm or cronyim or cronyims or cronyis or cronyizm or cronysim or cronysm or croyism or croynism or rconyism or even ronyism for that matter!
Favoritism shown to old friends without regard for their qualifications, as in political appointments to office.