With TalkType you are able to add custom words, to ensure TalkType will recognise them when you are dictating.
> First open TalkType dictation from within your application folder.
> Click 'Settings' in the main toolbar
> Click 'Processing' in the settings window.
> Next click the 'edit word list' button which open up a window whereby you can type a word into TalkType.
> You will need to close and restart TalkType before it will recognise new words.