I think you're better off grouping effects into broad categories.
True Name: Fire
- Create fire: Deal fire damage to a single target or to multiple targets
- Destroy fire: Quench fires or deal necrotic damage to fire creature
- Charm: Charm a creature of fire
True Name: Plant
- Entangle: Restrain creatures with plants
- Wither: Deal necrotic damage to plant creatures
- Locate: locates plants of a specific type
True Name: Water
- Freeze: Creates a layer of ice over standing water, freezes rain to hail
- Conjure water: Drink up everyone
- Tidal Wave: Damage + pushing effect, quench fire
etc.
Possible True Names: fire, water, air, earth, plant, animal, mind, body, dragons, magic, illusions/shadow, space/time