Lots of people online are suggesting something with "Hand", since it seems to be a theme of sorts for the game.
Personally, I got stuck a bit on "Death of the Wild" would be corny maybe but also half-hilariously cool.
@Pennycan1800 I'd actually be down for that ^^
Arguably, the new Zelda Switch game is unlikely to be called just 'Breath of the Wild 2.'
I was thinking this morning along something like "The Tikiti Tribe." I think tribes features a lot in much of Zelda lore and I think a name for this game with a made-up name like "Majora.' would be...