Forgive me if this has already been asked, but I've been through pages of searching various combinations of "attack", "touch", "spell", "melee", "bite", "weapon", and a few others.
Most touch spells call out "Make a melee spell attack", and I get that an action can be "Cast a spell" OR "Make an attack" so you can't stack them.
But in the spell Bestow Curse, it simply says, "You touch a creature..."; nothing about being an attack. Specifically, the spell is a WIS save.
So my question is, could my Lizardfolk Cleric deliver this touch via his teeth sinking into tasty flesh? Yes, he would need to make an attack roll for the bite, but the victim would also need to make a WIS save to shrug off the curse.
I'm not saying all touch spells across the board can be done this way, just touch that don't require an attack.
Related, but not the same: