Lier-Liar | Commonly Confused Words

Lier

A person who does not tell the truth.

This word has no antonyms

/ˈlaɪə/

A person who tells untruths or false statements.

This word has no antonyms

A lier is someone who lies down, while a liar is someone who tells lies.
Both words are pronounced the same, but lier contains an extra e reminding you of lie down.
Think of liar having the i for inform, as liars inform falsely.