IPA: //ˈblʌdˌθɜrstiər//
KK: /ˈblʌdˌθɜrstiər/
Having a strong desire for bloodshed or violence; eager to kill or cause harm.
The bloodthirstier soldiers showed no mercy in battle.
Comparative: bloodthirstier
Superlative: bloodthirstiest
Bloodthirstier → It is formed from "blood" (from Old English "blōd", meaning the red liquid that circulates in the body) and "thirsty" (from Old English "þirstig", meaning having a strong desire for something). The word "bloodthirstier" describes someone who has a stronger desire for blood or violence than others.
Think of someone who has a strong 'desire' ('thirsty') for 'blood' — that's why bloodthirstier means someone who craves violence more than others.
No commonly confused words.