From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18:
spelling //ˈspɛlɪŋ// <n>
1. 綴り, スペル, 文字綴り, 正字法
a specific spelling of a word
2. 綴り
manner of spelling of words; correct spelling
3. 綴り, スペル, スペリング, 綴り字
the practice, ability, or subject of forming words with letters, or of reading the letters of words; orthography