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.

and bring him to
justice and to DEATH,
Vikings Season 1, Episode 7

And only DEATH may pay for life.
Game of Thrones Season 2, Episode 5

between life and DEATH for our rangers,
Game of Thrones Season 2, Episode 3

to destroy the Death Star.
The Big Bang Theory Season 7, Episode 12

knowing it almost certainly
meant his own DEATH.
Game of Thrones Season 5, Episode 2