Copetitor 

A competitor company that you have to cooperate with on occasion to win work jointly.

A portmanteau of cooperation & competitor.

Joe Bloggs construction company is a copetitor so be careful what you share with them!

Copetitor by GrumpyWeePom September 8, 2020

Urban Dictionary Competitor 

Person who tries to get the most words approved on Urban Dictionary

She got five words approved on urban dictionary. She is an urban dictionary competitor!!

Urban Dictionary Competitor by Docmbc448 November 8, 2013

Competitour 

The correct and original, but unfortunately obsolete, English spelling of the word most commonly spelt now as competitor.

- From Middle French: compétiteur
- From Latin: competitor

1. A person or organisation against whom one is competing.
2. A participant in a competition, especially in athletics.

1. I usually too have fairly meaty projects to handle, for instance an in-depth competitour analysis.
2. I've never played John at pool before; I heard he's a great competitour, though, who rarely loses.

Competitour by Roger Miles January 21, 2015

coperator 

A coperator is a wannabe neighborhood bully with a badge and military hand me downs.

Portmanteau of "cop" and "operator". Special Operations Forces (SOF) throughout the military call themselves "operators." More and more, local law enforcement agencies are acquiring military-grade weapons and gear, adopting "special ops" crests and calling themselves "operators."

Citizen A: Cops are playing dress up and acting like soldiers after playing too much Call of Duty.

Citizen B: The cops aren't acting like soldiers. They're acting like extras in a Michael Bay movie playing soldiers.

Citizen A: Coperators gonna coperate.

coperator by StudioKickball August 15, 2014

Competitors 

Rival of each other

Superstars SRK and AkshayKumar are Bollywood competitors

Competitors by Salimkn April 12, 2020

Competitous 

Overly competitive with things that don't matter, and people really don’t care about.

Girl: Why are you so competitous when it comes to car subwoofers?
Guy: I needed fifteens to make my Geo Metro the shit!

Competitous by bahbahbooy September 6, 2008

fierce competitor

Somebody who comes in first AND third in a circle-jerk.

Louie is a fierce competitor! Made me ashamed.

fierce competitor by Scrivener July 5, 2006