There are a total of 22 9-letter words containing 'high', and the number may vary in different dictionaries. You can specify the dictionary and order.

• highballs ₂₀
• highbrows ₂₁
• highchair ₂₀
• highflier ₁₉
• highflyer ₂₁
• highjacks ₃₁
• highjinks ₂₉
• highlands ₁₈
• highlifes ₁₉
• highlight ₂₀
• highpoint ₁₉
• highrises ₁₅
• highroads ₁₆
• highspots ₁₈
• hightails ₁₆
• highwater ₁₈
• highwires ₁₈
• thighbone ₁₉
• ultrahigh ₁₇
• highering ₁₇
• highvelds ₂₀
• superhigh ₁₈

There are 22 9-letter words containing high in the well-known word game dictionary, 16 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 18 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 19 in the Words with Friends (WWF) dictionary.