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.

Um... Pepper spray.
The Big Bang Theory Season 8, Episode 19

...or hits you with the PEPPER spray.
The Big Bang Theory Season 1, Episode 3

Lucy, you must remember to have
the salt and PEPPER shakers wiped.
Breaking Bad Season 2, Episode 11

What if we were to go
as dinner table favorites, salt and PEPPER?
The Big Bang Theory Season 6, Episode 5

...with a slightly out-of-scale head
and a mild Dr. Pepper addiction.
The Big Bang Theory Season 3, Episode 17