Synonyms for Orthography:
* Spelling (most common and direct synonym)
* Grammar (broadly, as orthography is a part of grammar)
* Writing system (focuses on the system as a whole)
* Letter arrangement (emphasizes the order of letters)
* Letter form (emphasizes the visual aspect of letters)
* Spelling convention (emphasizes the rules of spelling)
* Orthographic system (formal term for the system of writing)
Antonyms for Orthography:
It's tricky to find direct antonyms for "orthography" since it refers to a specific concept. However, we can look at concepts that are opposite in their focus:
* Phonetics: Focuses on the sounds of language, rather than their written representation.
* Meaning: Focuses on the significance of words, rather than their spelling.
* Pronunciation: Focuses on how words are spoken, rather than how they are written.
* Semantics: Focuses on the meaning of words and sentences, rather than their structure.
* Syntax: Focuses on the structure of sentences, rather than the spelling of words.
Additionally, you could consider antonyms for "correct" or "proper" since orthography deals with correct spelling:
* Incorrect
* Improper
* Misspelled
* Ungrammatical
It's important to note that the best synonym or antonym depends on the specific context and the intended meaning.