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.

...l'll have to rent my WOMB out
to a gay couple.
The Big Bang Theory Season 4, Episode 22

What, did the academy hire you
right out of the WOMB?
Breaking Bad Season 2, Episode 8

Is your WOMB available for rental?
The Big Bang Theory Season 4, Episode 1

We shared a WOMB.
Game of Thrones Season 1, Episode 7

but you didn't grow them in your WOMB.
Game of Thrones Season 2, Episode 8