Here are some useful words to use in Super Scribblenauts:

NOUNS

ADJECTIVES

• INVINCIBILITY CLOAK - Put this on and you'll take no damage
• INVISIBILITY CLOAK - Harmful creatures won't be able to see you with this item equipped
• POCKET KNIFE - (Weapon) Infinitely useful!
• LUNAR LANDER / LUNAR ROVER - Cancel out gravity in style -- the Lander is more compact
• BLACK HOLE - This seems to wipe out everything in Super Scribblenauts -- beware!
• SHRINK RAY - Shrink any enemy creature to a more manageable size
• FREEZE RAY - Freeze enemies in a cube of ice (temporarily)
• CHI - A friendly, floating Chinese dragon you can ride
• REINDEER - It can fly!
• PEGASUS - It can fly too!
• WINGS - Equip these for more flying!
• TIME MACHINE - By typing "Time Machine" you can go though 5 eras: Dinosaurs, Egypt, Knights, Old West and Present/Future time.
• ARCADE (MACHINE) - Tap the machine to play a minigame where you must tap rockets to stop them from falling
• EXPLODING BARREL - Explodes on contact with anything, including the ground
• MAXWELL'S NOTEBOOK - When you want a random object, but are too lazy to think of one
• SCRIBBLENAUTICAL - Wear Maxwell's hat
• DEADLY - Attacking with a Deadly item will destroy anything in one hit
• HYPNOTIZING - Creatures will follow Hypnotizing items and make nearby enemies non-hostile
• SUPERSONIC - Huge speed boost. Useful for mounts, vehicles, and wings