---
title: Speech Dictionary Keys
framework: applicationservices
role: collectionGroup
role_heading: API Collection
path: applicationservices/speech_synthesis_manager/speech_dictionary_keys
---

# Speech Dictionary Keys

Keys used in a speech dictionary to override the synthesizer’s default pronunciation of a word.

## Overview

Overview The keys in a speech dictionary can determine how a synthesizer pronounces a word. After you’ve created a speech dictionary, you register it with a speech channel with the UseSpeechDictionary(_:_:) function.

## Topics

### Constants

- [kSpeechDictionaryLocaleIdentifier](applicationservices/kspeechdictionarylocaleidentifier.md)
- [kSpeechDictionaryModificationDate](applicationservices/kspeechdictionarymodificationdate.md)
- [kSpeechDictionaryPronunciations](applicationservices/kspeechdictionarypronunciations.md)
- [kSpeechDictionaryAbbreviations](applicationservices/kspeechdictionaryabbreviations.md)
- [kSpeechDictionaryEntrySpelling](applicationservices/kspeechdictionaryentryspelling.md)
- [kSpeechDictionaryEntryPhonemes](applicationservices/kspeechdictionaryentryphonemes.md)