질투가 · 질투를
jealousy, envy
Example
제가 새 옷을 사면 동생이 질투를 해요.
When I buy new clothes, my younger sister gets jealous.
Word parts
질 envy+투 jealous
Both syllables mean 'jealous', doubled for emphasis.
Good to know
부럽다 is harmless 'envious'; 질투 has a negative, resentful edge.
Related words