"characterized by excessive fondness of France and the French," 1875, from Franco- + -phile. "A newspaper word" [OED]. Its opposite, Francophobe, is recorded from 1890, implied in Francophobic; Francophobia is from 1862. An earlier word was anti-Gallician (n.), attested from 1755.
franchise
Francis
Franciscan
francium
Franco-
Francophile
Francophone
franc-tireur
frangible
frangipani
Franglais