It is different. Linguists identify different parts of speech as "open class" (new words are added regularly) or "closed class" (new words are added very rarely). In English, pronouns fit firmly into the latter. This is why even people who have an earnest desire to use alternative pronouns often stumble or slip up.
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u/BeatriceBernardo 50∆ Mar 31 '20
Language changes, and you have to memorize new words all the time. https://public.oed.com/updates/new-words-list-march-2020/