| 8 Altaic | 8.5.2 Proto-Turkic to Sakha | o oɡ ø øɡ iɡ → wo ɥø oː øː iː
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| 12 Northwest Caucasian | 12.1.1 Proto-Abazgi to Ashkharywa Abaza | ʕʷ → ɥ
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| 12.1.3 Proto-Abazgi to Ahchypsy Abkhaz | ʕ ʕʷ → aː ɥ
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| 12.1.4 Proto-Abazgi to Bzyp Abkhaz | ʕʷ → ɥ
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| 12.1.5 Proto-Abazgi to Abzhywa Proper | ʕ ʕʷ → aː ɥ
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| 12.1.6 Proto-Abazgi to Tsabal Abzhywa | ʕ ʕʷ → aː ɥ
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| 12.1.7 Proto-Abazgi to Khaltsys Sadz | ʕʷ → ɥ
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| 12.1.8 Proto-Abazgi to Tswydzhy Sadz | ʕʷ → ɥ
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| 17 Indo-European | 17.12.1.1.6 Vulgar Latin to Old Provençal | — ɔ → ɥe / _{u,P,k,ɡ,i} (in western dialects, Limousin, and Auvergne)
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| — ɔ → ɥo / _{u,P,k,ɡ,i} (in Languedoc)
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| — ɔ → {ɥe,ɥo,ɔ} / _{u,P,k,ɡ,i} (in southern dialects)
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| 17.12.1.1.8 Latin to Romanian | Pj → ɥ
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| 30 Niger-Congo | 30.3.1.1.1 Proto-Gbe to Ajá | j{ã,ẽ} → {ɥ,ɥ̃} / _E
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| 36 Sino-Tibetan | 36.2 Sin Sukchu to Guānhuà | y → ɥ (→ y~u dialectally?) / C̣_
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| yʔ → {ɥʔ,yʔ,uʔ} / C̣, in -juət-types
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