Lexicon by Max Barry

A psychological thriller where language is
a literal weapon. A secretive organization
called The Poets uses "compromised
words" to hack the human brain and strip
people of their free will.

This book contains: alcohol, altered cognition,
deception, derogatory terms, dissociation,
dubious consent, explicit sexual
activities/nudity, gore, murder, potentially
patently offensive content, profanity,
psychological distress, sexual assault
(implied), systemic child abuse/exploitation,
toxic relationships, trauma, and violence.