noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'
head-on collision
Used for literal vehicle crashes and figurative clashes of opinions or interests.
交差点で車が正面衝突した。
The cars collided head-on at the intersection.
会議で二人の意見が正面衝
Their opinions clashed head-on in the meeting.