Dork is a noun.
No, except at the beginning of a sentence because it is n ot a proper n ou n.
It is spelled both ways, co-worker or coworker, with no apparent preference, except by some spell-checkers that use coworkerand spellchecker. There is no similar word that would confuse the intended meaning.
How to use foundation in a sentence
enjoin use in sentence
My coworker got promoted before I did.
To help my coworker get a promotion, I used the art of aggrandizement.
My coworker and I went on a business trip.
The police theorize that she was murdered by a spurned lover. Did the newlywed spurn the advances of her coworker?
My coworker is such a nincompoop, he can never seem to get anything done correctly.
She canceled the meeting out of spite towards her coworker who had taken credit for her idea.
She spoke in glowing terms, esteeming her coworker's dedication to the project.
She became infatuated with her new coworker after their first meeting.
He lashed out in anger at his coworker during the argument.
She made a mean-spirited comment about her coworker's appearance.
Dork is a noun.
The Smith family spent Saturday evening completing a jigsaw puzzle together. Jenny was puzzled by her coworker's rude comment.