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.

Heightened AGGRESSION
and suspicion.
Westworld Season 2, Episode 5

This act of AGGRESSION must be met
with swift and cruel ferocity.
The Big Bang Theory Season 4, Episode 19

Woman:
Just tweak his AGGRESSION
and de-address pieces
Westworld Season 2, Episode 8