'a remorse' is correct and usable in written English.
You can use it to indicate a feeling of guilt or regret. Example: He was filled with a remorse for his actions.
Though George W. Bush may wish otherwise, the Constitution does not provide a "remorse exception" to the pardon power.
He changes jobs and now is a vice-president at Yakamoto where he has designed a remorse program for assembly-line workers.
which closed the door to the heat of the sky? a remorse in desolate, bitter silence. in a heavenly dream and utopian opulence.
Usher then speaks with a remorse, "I felt like a failure, hopeless, paralyzed, numb".
But victory afflicted the famous lawyer with a remorse that never healed.
The president of the company that makes it is undoubtedly a Mr. Sigmund de Sade, whose products all include Idtickler, a gum drop, & Superegosalve, a remorse-flavored cream for hives & hubris.
When I first told Marci, whilst in college -- that I was going to quit school "to start a business and become rich and famous -- I remember her looking at me with almost a remorse and asking "Rich & Famous, yes?
I'd consider going Nutty Professor if it meant eating Chick-fil-A without remorse.
Young, 29, showed a little remorse for a season gone awry after being the Lakers' main free-agent signing last summer.
"[I had] a lot of remorse, a lot of nightmares about the situations I was involved in".
It is a kind of payment to them in the form of a pseudo remorse".
