摩擦 mó​cā
friction verb
the physical act of rubbing surfaces together or the resistance encountered during movement

The bicycle brake pads got hot due to friction.

conflict verb
figurative disharmony, disagreement, or clash between parties

Trade friction could affect the economic relationship between the two countries.

Frequency

Movie subtitles
0.300 per million appears in 0% of films
Written text
1.39 per million

Sources