ねたnetamuそねsonemuねたnetamuそねsonemu
1.

To experience a feeling of resentment towards someone else's success or happiness, leading to a sense of envy and bitterness.

2.

To harbor a desire for ill toward another due to perceived advantages or good fortune that one wishes to undermine or obstruct.

Example:

彼は君の成功をねたんでいる。