Element Combination

Have you guys played Doodle God and the like? There, we combine basic elements to make some new ones. Let's try something similar. Here, I give you 9 elements:
Fire
Water
Air
Earth
Electric
Plant
Metal
Light
Darkness
Now, list all combinations possible from those elements. As for me, they are:
Fire + Fire = Lava
Fire + Water = Steam
Fire + Air = Smoke
Fire + Earth = Ash
Fire + Electric = Heat
Fire + Plant = Coal
Fire + Metal = Blast
Fire + Light = Sun
Fire + Darkness = Hell
Water + Water = Ice
Water + Air = Mist
Water + Earth = Mud
Water + Electric = Cloud
Water + Plant = Coral
Water + Metal = Blood
Water + Light = Heaven
Water + Darkness = Moon
Air + Air = Wind
Air + Earth = Dust
Air + Electric = Sound
Air + Plant = Poison
Air + Metal = Rust
Air + Light = Rainbow
Air + Darkness = Void
Earth + Earth = Rock
Earth + Electric = Entropy
Earth + Plant = Oil
Earth + Metal = Star
Earth + Light = Color
Earth + Darkness = Shadow
Electric + Electric = Thunder
Electric + Plant = Scorch
Electric + Metal = Magnet
Electric + Light = Aether
Electric + Darkness = Storm
Plant + Plant = Life
Plant + Metal = Death
Plant + Light = Time
Plant + Darkness = Scent
Metal + Metal = Crystal
Metal + Light = Mirror
Metal + Darkness = Gravity
Light + Light = Good
Light + Darkness = Chaos
Darkness + Darkness = Evil
Let's see what you guys come up with.