損失 (そんしつ) uses standard On'yomi readings: 損 (ソン) for "damage" and 失 (シツ) for "loss." This term refers to the state or amount of losing something, particularly in financial contexts. "そんじつ" incorrectly voices 失, "ぞんしつ" applies rendaku to 損 where it doesn't apply, and "そしつ" omits the 'ん' sound.

損失（そんしつ）は、損（ソン）と失（シツ）の標準的な音読みです。何かを失うこと、特に金銭的な損害を指します。「そんじつ」は失、「ぞんしつ」は損の読みを誤り、「そしつ」は「ん」が欠けています。