There are a total of 187 7-letter words containing 'hy', and the number may vary in different dictionaries. You can specify the dictionary and order.

• alchymy ₂₀
• alphyls ₁₆
• anarchy ₁₅
• aphylly ₁₈
• asphyxy ₂₃
• atrophy ₁₄
• bathyal ₁₅
• berhyme ₁₇
• blotchy ₁₈
• branchy ₁₈
• breathy ₁₄
• chinchy ₂₀
• churchy ₂₀
• chylous ₁₆
• chymics ₂₀
• chymist ₁₇
• chymous ₁₈
• chyrons ₁₅
• clutchy ₁₉
• cockshy ₂₁
• crunchy ₁₉
• diarchy ₁₅
• drouthy ₁₃
• dyarchy ₁₇
• ecthyma ₁₇
• empathy ₁₇
• eparchy ₁₇
• ephyrae ₁₄
• ethylic ₁₅
• ethynes ₁₂
• ethynyl ₁₅
• exarchy ₂₁
• glitchy ₁₇
• grouchy ₁₇
• growthy ₁₆
• grumphy ₂₀
• healthy ₁₄
• hyaenas ₁₂
• hyaenic ₁₅
• hyaline ₁₃
• hyalins ₁₃
• hyalite ₁₂
• hyaloid ₁₃
• hybrids ₁₅
• hydatid ₁₃
• hydrant ₁₃
• hydrase ₁₂
• hydrate ₁₂
• hydriae ₁₂
• hydriai ₁₂
• hydride ₁₃
• hydrids ₁₃
• hydroid ₁₃
• hydrops ₁₅
• hydrous ₁₃
• hydroxy ₂₁
• hyenine ₁₃
• hyenoid ₁₃
• hygeist ₁₃
• hygiene ₁₄
• hymenal ₁₆
• hymenia ₁₅
• hymnals ₁₆
• hymnary ₁₇
• hymning ₁₈
• hymnist ₁₅
• hymnody ₁₈
• hyoidal ₁₃
• hyperon ₁₅
• hyphens ₁₇
• hypnoid ₁₆
• hypogea ₁₆
• hypoids ₁₅
• hypoing ₁₇
• hyponea ₁₅
• hyponym ₂₀
• hypoxia ₂₁
• hypoxic ₂₄
• hyraces ₁₄
• hyraxes ₁₈
• hyssops ₁₄
• isohyet ₁₁
• kitschy ₁₈
• kvetchy ₂₂
• lengthy ₁₅
• methyls ₁₅
• oophyte ₁₄
• paunchy ₁₉
• phyllos ₁₆
• physeds ₁₅
• physics ₁₇
• physios ₁₄
• phytane ₁₅
• phytoid ₁₅
• phytols ₁₅
• phytons ₁₅
• preachy ₁₇
• raunchy ₁₆
• rhymers ₁₄
• rhyming ₁₇
• rhymist ₁₄
• rhythms ₁₆
• rhytons ₁₂
• shylock ₁₉
• shyness ₁₂
• shyster ₁₁
• sketchy ₁₈
• slouchy ₁₆
• sloughy ₁₅
• smoochy ₁₇
• smoothy ₁₄
• smutchy ₁₈
• snatchy ₁₅
• snitchy ₁₅
• splashy ₁₅
• squashy ₂₁
• squishy ₂₁
• starchy ₁₄
• stenchy ₁₅
• swarthy ₁₄
• tachyon ₁₅
• thatchy ₁₆
• thymier ₁₄
• thymine ₁₅
• thymols ₁₅
• thymoma ₁₇
• thyroid ₁₂
• thyrses ₁₁
• thyrsus ₁₂
• thyself ₁₅
• timothy ₁₄
• twitchy ₁₇
• wealthy ₁₅
• whydahs ₁₇
• workshy ₁₈
• wreathy ₁₄
• zephyrs ₂₃
• chytrid ₁₆
• dhyanas ₁₄
• hyperer ₁₅
• menschy ₁₇
• phytins ₁₅
• thrashy ₁₆
• acouchy ₁₇
• chyacks ₂₁
• chylify ₂₁
• chymify ₂₃
• chypres ₁₇
• creeshy ₁₅
• diethyl ₁₄
• droichy ₁₆
• duarchy ₁₆
• fratchy ₁₈
• froughy ₁₇
• hyacine ₁₅
• hydroma ₁₆
• hydynes ₁₇
• hygroma ₁₆
• hylding ₁₅
• hylisms ₁₅
• hylists ₁₃
• hyloist ₁₃
• hypates ₁₅
• hypings ₁₆
• hypnics ₁₇
• hypnone ₁₅
• hypnums ₁₇
• hypping ₁₈
• hypural ₁₅
• ichthys ₁₈
• outhyre ₁₃
• phyllid ₁₆
• prothyl ₁₅
• queachy ₂₄
• queechy ₂₄
• rhythmi ₁₈
• rhytina ₁₃
• sagathy ₁₄
• sheathy ₁₆
• shypoos ₁₅
• sleechy ₁₅
• slutchy ₁₅
• somewhy ₁₈
• stachys ₁₅
• switchy ₁₈
• thylose ₁₃
• whyever ₁₉

There are 187 7-letter words containing hy in the well-known word game dictionary, 137 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 181 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 137 in the Words with Friends (WWF) dictionary.