Rittenhouse is a proper noun referring to a surname and place name. It is pronounced as a two-syllable given name-like word with a stressed first syllable, and endings commonly realized as -en-house. It functions primarily as a surname or toponym in English-language contexts, and gains emphasis through careful articulation of the initial /ˈrɪtən-/ sequence and the /haʊs/ or /hoʊs/ final depending on speaker background.
Full pronunciation guide