Spell Slots in D&D 5e: All You Need to Know!
Not 100% sure on all domain spells, but all cleric domains in 5e received 1 known spell from class and one from out of class.
Memorized Spells and Spell Slots - D&D 5E
Prepared spells are selected from your list of known spells at the beginning of each day and can be cast using spell slots.
Wizard Spells 5e: Guide to the Best ...
This wizard spell list includes optional spells available from Tasha's Cauldron of Everything. For the wizard spell list without optional spells, see Core Wizard Spell List.