Cogger is a unique word that is not widely used in modern language. However, there are a few synonyms that can be used to convey a similar meaning. The word "quibbler" is a synonym for cogger, referring to someone who presents arguments and disputes over insignificant details. Another synonym for cogger is "caviller," which describes someone who raises objections, often in a nitpicky way. Additionally, "pettifogger" is another synonym for cogger, referring to someone who uses clever arguments or dishonest tactics to win an argument. These synonyms can be used interchangeably with cogger to describe someone who is overly concerned with minor details and technicalities.