If a word conforms to a special rule, I call it an Outs word. Here is a list of examples:
And a CSV version:
OUTS, NOT OUTS bar, allow boil, freeze cool, hot guru, initiate ingrate, grateful lich, skeleton rage, serenity ruins, creates
QUESTION: What is the rule to tell whether a word is an Outs word or not? Why is it called an Outs word?