---
title: orthography
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsspellchecker/optionkey/orthography
---

# orthography

An NSOrthography instance indicating an orthography to be used as a starting point for orthography checking, or as the orthography if orthography checking is not enabled.

## Declaration

```swift
static let orthography: NSSpellChecker.OptionKey
```

## See Also

### Spell Checker Options

- [documentAuthor](appkit/nsspellchecker/optionkey/documentauthor.md)
- [documentTitle](appkit/nsspellchecker/optionkey/documenttitle.md)
- [documentURL](appkit/nsspellchecker/optionkey/documenturl.md)
- [quotes](appkit/nsspellchecker/optionkey/quotes.md)
- [referenceDate](appkit/nsspellchecker/optionkey/referencedate.md)
- [referenceTimeZone](appkit/nsspellchecker/optionkey/referencetimezone.md)
- [regularExpressions](appkit/nsspellchecker/optionkey/regularexpressions.md)
- [replacements](appkit/nsspellchecker/optionkey/replacements.md)
- [selectedRange](appkit/nsspellchecker/optionkey/selectedrange.md)