もめる

Alternative writings: 揉める, モメる
JLPT:N1
Frequency:

1To have a disagreement or dispute; to get into a conflict or quarrel, often over an issue or negotiation.

Group 2 VerbIntransitive VerbUsually Kana

Examples

彼らは遺産をめぐってもめている。

They are disputing over the inheritance.

会議で意見が食い違ってもめた。

A disagreement occurred in the meeting because opinions clashed.

近所で騒音をめぐってよくもめることがある。

There are often disputes in the neighborhood over noise.