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.

No RUMOR, my lord.
The princess is with child.
Game of Thrones Season 1, Episode 5

Yeah, I started that RUMOR.
The Big Bang Theory Season 8, Episode 21

Well, there's a RUMOR
back in New Delhi that you're--
The Big Bang Theory Season 5, Episode 20

Step two, start RUMOR this comic book store
gives you genital warts.
The Big Bang Theory Season 8, Episode 4

And I heard the most awful RUMOR
about a certain lord
Game of Thrones Season 1, Episode 5