There are a total of 24 10-letter words containing 'bath', and the number may vary in different dictionaries. You can specify the dictionary and order.

• bathchairs ₂₀
• bathhouses ₁₈
• batholiths ₁₈
• bathwaters ₁₈
• bathymeter ₂₀
• bathymetry ₂₂
• bathyscaph ₂₅
• bloodbaths ₂₀
• bubblebath ₂₆
• eurybathic ₂₁
• steambaths ₁₈
• sunbathers ₁₇
• sunbathing ₂₀
• waterbaths ₁₈
• stenobaths ₁₅
• bathmizvah ₃₂
• batholites ₁₅
• batholitic ₁₇
• bathometer ₁₇
• bathometry ₂₀
• bathylites ₁₈
• bathyliths ₂₁
• bathylitic ₂₀
• bathyscape ₂₂

There are 24 10-letter words containing bath in the well-known word game dictionary, 10 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 20 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 14 in the Words with Friends (WWF) dictionary.