There are a total of 39 9-letter words containing 'yph', and the number may vary in different dictionaries. You can specify the dictionary and order.

• anaglyphs ₂₀
• apocrypha ₂₂
• coryphaei ₁₉
• coryphees ₁₉
• cyphering ₂₂
• doryphore ₁₇
• eucryphia ₂₀
• hyphemias ₂₁
• hyphenate ₁₉
• hyphening ₂₂
• oxyphiles ₂₄
• oxyphilic ₂₇
• payphones ₂₀
• polyphagy ₂₄
• polyphase ₂₀
• polyphone ₂₁
• polyphony ₂₃
• syphering ₁₉
• syphonage ₁₉
• syphoning ₂₀
• syphonned ₁₉
• triglyphs ₁₉
• typhlitic ₂₀
• typhlitis ₁₇
• typhoidal ₁₈
• syphiloid ₁₈
• anaglyphy ₂₁
• coryphene ₁₉
• diaglyphs ₁₉
• hedyphane ₂₁
• hyphenise ₂₀
• hyphenism ₂₂
• hyphenize ₂₉
• polyphons ₁₉
• syphilise ₁₇
• syphilize ₂₆
• syphiloma ₁₉
• typhoidin ₁₈
• typhonian ₁₇

There are 39 9-letter words containing yph in the well-known word game dictionary, 22 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 36 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 25 in the Words with Friends (WWF) dictionary.