This is the 3975th most frequent Korean word.
위협
"Threat" or "intimidation."
In this sentence, '위협' (wi-hyeop) is used as a noun to indicate 'threat', emphasizing the act of threatening.
그는 사람들에게 위협을 가했습니다.
He threatened people.
Here, '위협적인' (wi-hyeop-jeog-in) functions as an adjective derived from '위협', describing words that contain or convey a threat.
위협적인 말은 상황을 더 악화시킬 수 있습니다.
Threatening words can make the situation worse.
In this context, '위협을 느끼다' (wi-hyeop-eul neukkida) utilizes '위협' as a noun, with the verb '느끼다' (to feel) to describe sensing a threat.