Cop out. Answer the question. How many genders are there?
Added irrelevant requirements as a means to cop out. Answer the question.
They are used synonymously in this context. Dictionaries are not etymology. You've already been told this.
Tell us how many have to exist before they become inexhaustible.
The only cop out seems to be yours as you try to deflect from the term "inexhaustible."
You are the one adding irrelevant requirements. At what number do you think something becomes inexhaustible?
Unless you can provide that number there is no reason to discuss the number of genders since the number is finite and therefore exhaustible.
Where do you get a word's etymology from if you don't rely on a dictionary for anything to do with a word?
Your attempt to define gender in a way that is different from its normal usage when discussing gender dysphoria shows it is you that is being disingenuous in the discussion.