Definitions
Par is a noun that refers to an average or standard level of achievement, quality, or quantity. It can also be used as an adjective to describe something that is considered to be normal or acceptable.
Example
The company's profits were below par this quarter.
Example
Her performance was up to par with the rest of the team.
Parr is a noun that refers to a young salmon or trout that has developed markings but is still in the freshwater stage of its life cycle.
Example
The parr are beginning to migrate downstream.
Example
The river is full of parr during the spawning season.
Tips To Remember the Differences
Here are a few tips to easily distinguish the difference between these words while keeping in mind the description we've provided:
To remember the difference between these two words, you could associate par with 'average' or 'standard', and parr with 'fish'.
Remember this!
Remember, par refers to an average or standard level, while parr is a type of fish.