Illustrated Glossary of Organic Chemistry

Benzoic acid: Any molecule featuring a carboxylic acid functional group bonded to a benzene ring. Most commonly refers to the parent member of this family, C₆H₅COOH. Benzoate is the conjugate base of benzoic acid, or a molecule (usually an ester) containing the benzoate group (the group resulting from replacement of the carboxylic acid proton).

4-Fluorobenzoic acid (para-fluorobenzoic acid; p-fluorobenzoic acid)		Acetylsalicylic acid (Aspirin)		Methyl benzoate (an ester) contains a benzoate group (in red).