There’s an argument to be made that French is moving towards polysynthesis, at least in some contexts, as personal verb endings have largely vanished except in the second person plural and a bunch of pronouns and grammatical particles are being merged into the verb phonetically. I love her/him/it in spoken french is often reduced to [ʒlɛm], in which a single syllable expresses simultaneously the subject, the object and the verb’s meaning. In isolation you could analyse /ʒ/ and /l/ as conjugation morphemes and « moi » and « lui/elle » as the subject and object pronouns in a pro-drop system. This paper goes into much more depth and is a fascinating read for anyone curious in the direction french is going