There are a total of 14 5-letter words containing 'uni', and the number may vary in different dictionaries. You can specify the dictionary and order.

• munia ₁₀
• munis ₁₀
• punim ₁₃
• runic ₁₀
• sunis ₇
• tunic ₁₀
• unica ₁₀
• unify ₁₂
• union ₈
• unite ₇
• units ₇
• unity ₉
• cunit ₇
• bunia ₇

There are 14 5-letter words containing uni in the well-known word game dictionary, 10 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 9 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 12 in the Words with Friends (WWF) dictionary.