Fierce and Dynamic:
Burning
Fiery
Mob
Momentum
Big cities
Underwater
Speed
Childhood
Attack
Universe
Whimsical and Delicate:
Wispy
Unanticipated
Layered
Subtle
Incense
Erratic
Passive-aggressive
Ghostly
Mirage
Fleeting
Safe and Efficient:
Mathematical
German
Clean
Poignant
Routine
Default
Vector
Two-birds-one-stone
Obvious
Anchor