There are a total of 26 10-letter words containing 'high', and the number may vary in different dictionaries. You can specify the dictionary and order.

• highballed ₂₂
• highbinder ₂₁
• highbrowed ₂₃
• highchairs ₂₁
• highfliers ₂₀
• highflyers ₂₂
• highflying ₂₅
• highhanded ₂₁
• highjacked ₃₃
• highlander ₁₉
• highlights ₂₁
• highnesses ₁₇
• highpaying ₂₄
• highpoints ₂₀
• highschool ₂₂
• highstatus ₁₇
• highstreet ₁₆
• hightailed ₁₈
• highwaters ₁₉
• highwayman ₂₅
• highwaymen ₂₅
• thighbones ₂₀
• highbushes ₂₂
• behighting ₂₀
• highermost ₁₉
• highjacker ₃₀

There are 26 10-letter words containing high in the well-known word game dictionary, 15 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 17 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 22 in the Words with Friends (WWF) dictionary.