詫び[wabi] apology
詫び言[wabigoto] apology
詫び状[wabijou] letter of apology
待ち詫びる[machiwabiru] to be tired of waiting
詫る[wabiru] to apologize

詫び入る[wabiiru] to apologize sincerely
お詫び[owabi] apology
詫び寂び[wabisabi] aesthetic sense in Japanese art emphasising quiet simplicity and subdued refinement
詫びを入れる[wabiwoireru] to make an apology