This paper attempts to describe how the nouns of Kafi Noonoo formed. To do so the intended data was collected from the native speaker of the language and analyzed. Since the language is tonal Praat Software was used to identify the high and low tone of the syllable in the word. The result obtained showed that noun is the main of speech that is formed from different types of words such as noun, verb, and adjective. Different types of nouns such as abstract, agentive, instrumental, action, gerundive (infinitival), and manner are mainly derived from nouns, adjectives and verbs suffixation.