Fifracol.fr: How to make a difference in French homonyms. Provides theoretical information, examples and detailed list of grammar homonyms and lexical homonyms.
Grammaire interactive Reverso: Explain differences between French homonyms "a" and "à" . Provides theoretical information, tips to learn quickly and examples.
Grammaire interactive Reverso: Explains differences between French homonyms "mai," "mais," "mes," and "mets" . Provides theoretical information, tips to learn quickly and examples.