* "Tes Françaises" would be the correct plural possessive form of "French women" in French.
* "Tes françaises" could be a misspelling of the same phrase, with the accent misplaced.
* "Tes Françaises" could also be a misspelling of "Tes Françaises" (the French equivalent of "Your French girls"), which is an unlikely phrase in standard usage.
It's important to have the correct context to determine the intended meaning. Can you provide more information about where you encountered this phrase?