1. A speech-based system comprising: at least one storage device that stores: an input text comprising a plurality of words of a first language; information indicative of a first pronunciation of a first word of the plurality of words of the first language and information indicative of a first pronunciation of a second word of the plurality of words of the first language, wherein the first pronunciation of the first word and the first pronunciation of the second word both comprise a first type of pronunciation; information indicative of a second pronunciation of the first word of the plurality of words of the first language and information indicative of a second pronunciation of the second word of the plurality of words of the first language, wherein the second pronunciation of the first word and the second pronunciation of the second word both comprise a second type of pronunciation that is different than the first type of pronunciation; an automatic speech recognition (ASR) system configured to: receive at least one utterance from a user, the utterance comprising at least the first word of the plurality of words of the first language; and determine a type of pronunciation the user used for the first word in the at least one utterance; and a text to speech (TTS) system configured to generate an audio speech output comprising the at least the second word of the plurality of words of the first language, and to determine a pronunciation of the second word in the audio speech output based, at least in part, on the type of pronunciation the ASR system determined the user used for the first word in the at least one utterance, wherein the second word is different from the first word.