letter of apology
A formal written apology, often used in business or official contexts.
I sent a letter of apology to the client.
Standard kanji spelling using 詫び (apology) and 状 (letter).
Search-only kana-kanji mixed form; not a standard written variant.
Variant spelling without okurigana; less common but still used.
Compound of 詫び (apology) and 状 (letter, document).