脅 (Kanji for threaten)

Onyomi

KYOU

TODAY (今日= KYOU) , three strong guys threatened my vital organs.

おど＊す	threaten ★★☆☆☆
おど*かす	to try and suprise and / or scare someone. Kids jump out of the bushes playing ninja. Or parents saying, "If you don't eat your vegetables, ghosts are going to come get you!" KIDS ★★☆☆☆

脅迫 (きょうはく) する

intimidate ★☆☆☆☆ NP
脅 (threaten) + 迫 (press upon) = 脅迫 (intimidate)

more formal than　脅す　. Not just to threaten, but to be intimidating.