Marx
Part of speech: proper noun
Definition: a surname Karl Marx
Marx
Part of speech: proper noun
Definition: a surnameKarl Marx
Marx as a proper noun is a surname while Marx as a proper noun is a surname
Part of speech: proper noun
Definition: a surname Karl Marx
Part of speech: proper noun
Definition: a surnameKarl Marx
We hope you now know whether to use Marx or Marx in your sentence.