It must be me. . . mal-adjusted, mal-nourished, . . mal-practice.
I’m teaching elementary-school phonics, too. Maybe I don’t associate the name with the prefix because I’ve known people with the name.
On the other hand, when I see “Shontavious” in a police blotter, I always think it should be an adjective: “Her shoes are cute, but the dress is shontavious! What was she thinking!?”