cosy adjective UK (US cozy)
The spelling cosy predominates in British English, and cozy in American English.
From Scots cosie, from Old Scots colsie, probably of North Germanic origin, related to Norwegian koseleg (“cosy”), Norwegian kose seg (“to enjoy oneself”).
If it censored it as a typo, maybe hit 'Something else went wrong' -- but there isn't an appropriate option for this. But please be aware that you're not wrong in typing 'cozy,' it's just a regional difference. :)