"Latin" already includes "la" at the beginning of the word-- which is the feminine infinitive. Therefore, LatinA and LatinX are redundant.

Or, perhaps we as arbitors of global culture, should enforce our new inventin:

ElTin and LaTin ...and maybe a LeTin. or LxTin

Actually let's go with all of the above. And any other creations as well. because who cares-- throw in the kitchen sink!

/more silliness