The encyclopedia of the French language.
Explore today’s French and its history.
Explore the language
Words, senses, pronunciations and forms — today’s French, plus entries attested only by the historical witnesses.
Rules grouped by category. Each rule explains the point, shows examples, and links to common mistakes and related rules.
Full conjugation tables for common French verbs. Tables are machine-generated and verified; forms are shown without the subject pronoun.
Idioms and expressions, defined and linked to their words.
Words through time: the dictionaries of 1873 and 1935 as witnesses, with dated citations.
Features specific to French as spoken in Québec and across Canada — pronunciation, vocabulary, and grammar that differ from standard metropolitan French.
A living language, a documented history
Francorium links contemporary French to the sources that witness its history. Every piece of information is structured, sourced and labelled by nature: contemporary usage, morphological data or historical testimony.
Read about our method →