The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

Did Ford saddle you with
that particular AFFLICTION?
Westworld Season 2, Episode 2

Shireen Baratheon's
AFFLICTION immediately.
Game of Thrones Season 7, Episode 2

In any case, I found nothing that illuminated
the nature of Orson's AFFLICTION
Game of Thrones Season 4, Episode 8

A boy with his AFFLICTION
should be grateful for the opportunity
Game of Thrones Season 3, Episode 6

The maester said he'd heard tell
of this AFFLICTION
Game of Thrones Season 2, Episode 6