"à la", there is no diacritic on "la". "à" means (roughtly) "to" and there is a diacritical mark to distinguish it from "a" as in "il a", "he has". But "la" means "the", like "le" but female, and there is no need to distinguish it from any other homograph.
s/female/feminine
You mean words who menstruate?
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