6 Afro-Asiatic | 6.2.2.1.10 Classical Arabic to Hassāniyya Arabic | x → χ (conjectured based upon the following but not outright stated in the article)
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6.2.2.1.15 Classical Arabic to Sa‘idi Arabic | q x ɣ → ɡ χ ʁ
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6.2.2.1.17 Classical Arabic to Tunisian Arabic | dʒ x ɣ → ʒ χ ʁ
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6.2.2.1.19 Biblical Hebrew to Modern Israeli Hebrew | x ʕ → χ ʔ
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sˤ tˤ ħ q → s t χ k
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7 Algonquian | 7.14 Proto-Algonquian to Mi’kmaq | k → χ / _(w)a(ː) ! #_
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k → χ / a(ː)_
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eːk → oχ / _w
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10 Austronesian | 10.2.5 Proto-Malayo-Polynesian to Palauan | q → χ (→ ʕ)
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12 Northwest Caucasian | 12.1.5 Proto-Abazgi to Abzhywa Proper | q qʷ → χ χʷ
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12.1.7 Proto-Abazgi to Khaltsys Sadz | q qʷ → χ χʷ
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12.2 Proto-Northwest Caucasian to Proto-Circassian | {qˤː,qˤʼ} χˤ ʁˤ → qː χ ʁ
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12.2.1.3 Adyghe to Shapsug Adyghe | pː tː tsː tsʷː ʃː tsː tcː kʲː kʷː qː~qχ qʷː~qχʷ → p t ts tʃʷ ʃ tʃ tɕ kʲ kʷ χ~q χʷ~qʷ
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12.2.2 Proto-Circassian to Kabardian | pː tː tsː tsʷː ʃː {tʃː,tɕː} kʷː qː~qχ qʷː~qχʷ → b d dz v ɕ ʒ dʒ ɡʷ qʼ~qχ qʷʼ~qχʷ
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sʷ zʷ {ʃ,ʂ} {ʑ,ʐ,ɣʲ} ʑ χʲ → f v ɕ ʑ ʑ~ʒ χ
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15 Eskimo-Aleut | 15.2.6 Proto-Eskimo to Nunivak Yup’ik | ɣ ʁ → x χ / _#
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v ʁ → f χ / S_
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17 Indo-European | 17.7.2.2.2 Middle Dutch to Modern Dutch | — x ɣ → {x,χ} {ɣ,x,χ} / in northern dialects
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17.12.1.1.10 Vulgar Latin to Spanish | ʃ → {x,χ}
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r → {ʐ,χ}
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29 Na-Dene | 29.1.1 Proto-Athabaskan-Eyak to Proto-Athabaskan | χ(ʷ) → {χ,ʁ}
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29.2 Proto-Na-Dene to Tlingit | $ → χ
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30 Niger-Congo | 30.1.1.2 Proto-Bantu to Tswana | p t tʃ k {dʒ,ɡ} ɲ → h r tɬʰ χ ∅ n
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33 Penutian | 33.2.1 Proto-Wintuan to Nomlaki | tʃʰ kʰ qʰ {x,χ} → tʃ k(ʰ) {kʰ,qʰ,χ} kʰ
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33.2.4 Proto-Wintuan to Wintu | kʰ qʰ → k χ
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34 Quechumaran | 34.1 Proto-Quechumaran to Ayachuco | q → χ
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34.4 Proto-Quechumaran to Huarás | q → q͡χ
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44 Vasconic | 44.2 Proto-Basque to Basque | j → χ (probably through intermediates like above, Wikipedia doesn’t go into particulars of how and where)
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45 Yuman-Cochimı́ | 45.1.3 Proto-Pai to Tipai | kʷ xʷ → q χ / _# (the paper calls these “back velars”)
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