There are a total of 17 8-letter words containing 'grow', and the number may vary in different dictionaries. You can specify the dictionary and order.

• growable ₁₇
• growbags ₁₈
• growlers ₁₄
• growlier ₁₄
• growling ₁₇
• growmore ₁₆
• grownups ₁₈
• ingrowth ₁₆
• misgrown ₁₇
• misgrows ₁₆
• outgrown ₁₅
• outgrows ₁₄
• overgrow ₁₇
• regrowth ₁₅
• upgrowth ₁₉
• growings ₁₃
• growlery ₁₅

There are 17 8-letter words containing grow in the well-known word game dictionary, 13 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 15 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 15 in the Words with Friends (WWF) dictionary.