There's a special rule that can be applied to words to determine whether or not they're a Wyrrd™. Here are some examples:
|Wyrrd™||Not a Wyrrd™|
If you want the CSV to analyze, here it is:
Wyrrd™,Not a Wyrrd™ efficient,late halved,complete odd,even adjacent,final inefficient,flawless versatile,mediocre
What is the rule that determines whether something is a Wyrrd™? Bonus: figure out why it's called a Wyrrd™.