There are a few overlappers in English.
indolent -vs- insolent
Look them up. Soak up the definitions and be sure you understand. Then imagine an indolent person and then imagine an insolent person. I mean. What is going on here?
There are everyone's favorites: "affect" and "effect", the evil twins.
Doesn't "homely" also mean its opposite sometimes?
Homework assignment: Is there a name for the kind of word that is the opposite of itself?
What a country!