1) Animalize 2) Brutalise 3) Ill use 1) Brutalise 2) Do by 3) Handle 4) To make brutal 5) Treat 6) Treat brutally 
• (v. t.) To make brutal; beasty; unfeeling; or inhuman. • (v. i.) To become brutal, inhuman, barbarous, or coarse and beasty.
Bru'tal·ize transitive verb [ imperfect & past participle Brutalized ; present participle & verbal noun Brutalizing .] [ Confer French brutaliser .] To make brutal; beasty; unfeeling; or inhuman. 
[v] - treat brutally 2. [v] - make brutal, unfeeling, or inhuman 3. [v] - become brutal or insensitive and unfeeling
brutalise verb become brutal or insensitive and unfeeling
to dehumanize
to make brutal. · to treat (someone) with brutality.