There are a total of 50 10-letter words containing 'yph', and the number may vary in different dictionaries. You can specify the dictionary and order.

• anaglyphic ₂₄
• apocryphal ₂₄
• coryphaeus ₂₁
• cypherpunk ₂₉
• doryphores ₁₈
• entryphone ₁₉
• eucryphias ₂₁
• glyphosate ₂₀
• hieroglyph ₂₂
• hippogryph ₂₇
• hyphenated ₂₁
• hyphenates ₂₀
• hyphenless ₂₁
• petroglyph ₂₃
• polyphagia ₂₃
• polyphasic ₂₄
• polyphenol ₂₃
• polyphones ₂₂
• polyphonic ₂₅
• scyphozoan ₃₀
• syphilises ₁₈
• syphilitic ₂₁
• syphonning ₂₂
• triglyphic ₂₃
• typhlosole ₁₉
• syphonages ₁₉
• apocryphon ₂₂
• coryphenes ₂₀
• ditriglyph ₂₀
• hedyphanes ₂₂
• hyphenised ₂₂
• hyphenises ₂₁
• hyphenisms ₂₃
• hyphenized ₃₁
• hyphenizes ₃₀
• ithyphalli ₂₁
• kelyphitic ₂₄
• lithoglyph ₂₂
• photoglyph ₂₄
• scyphiform ₂₅
• sypherings ₁₉
• syphilised ₁₉
• syphilized ₂₈
• syphilizes ₂₇
• syphilomas ₂₀
• typhaceous ₂₀
• typhlology ₂₂
• typhogenic ₂₁
• typhoidins ₁₉
• zizyphuses ₃₆

There are 50 10-letter words containing yph in the well-known word game dictionary, 20 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 44 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 25 in the Words with Friends (WWF) dictionary.