There are a total of 23 7-letter words containing 'yu', and the number may vary in different dictionaries. You can specify the dictionary and order.

• cayuses ₁₃
• dasyure ₁₁
• giddyup ₁₇
• guayule ₁₄
• kikuyus ₁₉
• pyurias ₁₃
• soyuzes ₁₉
• wickyup ₂₃
• yuckier ₁₇
• yucking ₂₀
• yukatas ₁₄
• yukkier ₁₈
• yukking ₂₁
• yummier ₁₆
• yummies ₁₆
• yuppies ₁₆
• yuppify ₂₁
• chanoyu ₁₅
• yuckers ₁₆
• yugarie ₁₁
• yukiest ₁₄
• yumpies ₁₄
• yumping ₁₅

There are 23 7-letter words containing yu in the well-known word game dictionary, 18 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 23 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 17 in the Words with Friends (WWF) dictionary.