huǎn​chōng

to ease tension

缓冲 緩衝 huǎn​chōng
to ease tension verbnoun
to mitigate or soften a conflict between opposing parties; to provide room for maneuver or mediation

A lot of shoes have excessive cushioning and support that make you feel more comfortable when walking.

to buffer
to cushion or absorb impact; to reduce the force of a sudden change or collision; (computing) to temporarily store data in a buffer to compensate for differences in processing speeds or data flow

Frequency

Movie subtitles
1.07 per million appears in 0% of films
Written text
5.12 per million

Sources