There are a total of 32 11-letter words containing 'roll', and the number may vary in different dictionaries. You can specify the dictionary and order.

• bankrollers ₂₁
• bankrolling ₂₄
• barcarolles ₁₉
• comptroller ₂₂
• controllers ₁₇
• controlling ₂₀
• corollaries ₁₆
• drollnesses ₁₅
• enrollments ₁₈
• enscrolling ₂₀
• inscrolling ₂₀
• jackrolling ₃₂
• leafrollers ₁₇
• logrollings ₁₉
• misenrolled ₁₈
• reenrolling ₁₇
• roadrollers ₁₄
• rollbacking ₂₆
• rollerblade ₁₈
• rollerskate ₁₇
• rollickings ₂₃
• rollockings ₂₃
• scrollworks ₂₃
• steamrolled ₁₇
• steamroller ₁₆
• unpatrolled ₁₉
• comptrolled ₁₈
• corolliform ₁₈
• countrolled ₁₄
• disenrolled ₁₃
• rollcollars ₁₃
• rollerballs ₁₃

There are 32 11-letter words containing roll in the well-known word game dictionary, 19 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 28 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 26 in the Words with Friends (WWF) dictionary.