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All languages have the same consonant inventory.

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INSUFFICIENT LEANING
Recorded sources
0 sources for · 7 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that all languages have the same consonant inventory?

Unclear. Several sources describe consonant inventories that differ across languages—Hindi's retroflex and laryngeal contrasts, clicks in Zulu and Xhosa, and unusual labio-velars in some Central Sudanic languages—which partially contradicts the claim that all languages share one inventory. None directly surveys all languages to settle it outright.

Verdict: PARTIAL LEAN · 0 sources for, 7 against · Last checked

Evidence against · 7
A comparative approach to the consonant inventory of the Transeurasian languages
2020
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Bomhard, A. R. (2020). A comparative approach to the consonant inventory of the Transeurasian languages. doi.org. https://doi.org/10.1093/oso/9780198804628.003.0029

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More against · 6
What caused some IE languages to have consonant inventory sizes different from PIE?
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What caused some IE languages to have consonant inventory sizes different from PIE?. (n.d.). linguistics.stackexchange.com. https://linguistics.stackexchange.com/questions/1377

Any languages that consider the alveolar and uvular trill distinct consonant phonemes?
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Any languages that consider the alveolar and uvular trill distinct consonant phonemes?. (n.d.). linguistics.stackexchange.com. https://linguistics.stackexchange.com/questions/38457

Native English Speakers and Hindi Consonants: From Cross-Language Perception Patterns to Pronunciation Teaching
2022
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Rachel, H. & Shannon, B. (2022). Native English Speakers and Hindi Consonants: From Cross-Language Perception Patterns to Pronunciation Teaching. eric.ed.gov. https://doi.org/10.1111/flan.12566

Is it really impossible for two different languages to have ...
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Is it really impossible for two different languages to have.... (n.d.). linguistics.stackexchange.com. https://linguistics.stackexchange.com/questions/30631/is-it-really-impossible-for-two-different-languages-to-have-the-exact-same-set-o

Cross-linguistic variation in the detection of conversational click sounds
2026
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Seakgwa, K., Peperkamp, S., Pinto, D., Vigil, D., & Chemla, E. (2026). Cross-linguistic variation in the detection of conversational click sounds. doi.org. https://doi.org/10.3389/flang.2026.1932401

Phonetic characteristics of double articulations in some Mangbutu-Efe languages
1997
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Phonetic characteristics of double articulations in some Mangbutu-Efe languages. (1997). hal.science. https://hal.science/hal-00239376v1

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