English is an expansive language, anyone who has seen the size of an unabridged English dictionary can tell you that. It's also a language that's ever changing and evolving, so of course there are some words that fall out of favor and are hardly ever used, but maybe it's time to bring some of them back!
Humans are Weird: I didn't do it
This is more Hunger Games than Harry Potter BUT, why is Voldemort in Hunger Games?? Like, they had so many other people to use and they use Moldy Voldy.