Master-Mister | Commonly Confused Words

Master

/ˈmɑːstə/

A person with power or control over something; an expert in a particular field.

Nevertheless, she had mastered him.Their masters must not enter."Martin rented a typewriter and spent a day mastering the machine.

/ˈmɪstə/

A title of respect for a man, often used before a surname

This word has no antonyms

Master refers to a person who has a significant degree of control or skill over something.
Mister is a polite form of address for a man, typically when you do not know his name or in formal situations.
Remember that Master can also refer to a male teacher or instructor, or a person having authority over others, especially servants or slaves.
Mister is commonly used as a title before a man's surname.
Master can also describe proficiency in a particular skill or pursuit.