What's the difference between quiddle and quiddler?

Quiddle

Definition:

• (v. i.) To spend time in trifling employments, or to attend to useful subjects in an indifferent or superficial manner; to dawdle.
• (n.) Alt. of Quiddler

Example Sentences:

Quiddler

Definition:

• (n.) One who wastes his energy about trifles.

Example Sentences: