Press command-shift-semicolon to get into the spelling checker preferences, and check if you have picked a language other than English.
If it’s set to German, yes, then it won’t recognise even basic English words.
Press command-shift-semicolon to get into the spelling checker preferences, and check if you have picked a language other than English.
If it’s set to German, yes, then it won’t recognise even basic English words.