more powerful
most powerful
most powerful, more powerful
more powerful and most powerful
The comparative form of many is more
The comparative form of good is better.
The comparative form of full is fuller
There is no such word. Powerful does not form a single comparative or superlative. The phrases are "more powerful" and "most powerful."
powerful
more powerful and most powerful
most powerful, more powerful
The comparative form of busy is busier.
The comparative form of dreamy is dreamier
The comparative form of friendly is friendlier.
comparative form is cleaner superlative form is cleanest
The comparative form of "central" is "more central."
The comparative form of many is more
The comparative form of "clean" is "cleaner."
The comparative form of friendly is friendlier.