Suddenly is an adverb and its comparative is formed by putting the word "more" in front of it.
"Suddenly" is an adverb that cannot be compared using the comparative form. It describes how an action or event occurs unexpectedly or quickly, and it does not have degrees of comparison like other adverbs (e.g., "quickly," "more quickly," "most quickly").
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.
The comparative form of softly is more softly
Wiser is the comparative form; wisest is the superlative.
The comparative form of good is better.