This is the 3111th most frequent Japanese word.
修復
Restoration; repair.
修復 is used to refer to repairing or restoring a building to its original state.
建物の修復作業が始まりました。
The restoration work of the building has started.
修復 is used metaphorically to signify mending or reconciling a personal relationship.
彼らは友情を修復することを決意しました。
They decided to restore their friendship.
修復 is used in a technical context to indicate repairing or fixing a data system or software component.