Universal 805:

Original: The opposition of a stop and an affricate in the languages of the world implies the presence of a fricative in the same series.
Standardized: IF there is an opposition of a stop and an affricate, THEN there will be a fricative of the same series.
Keywords: affricate, stop, fricative
Domain: phonology
Type: implication
Status: achronic but presumably diachronically motivated
Quality: absolute
Basis: languages mentioned in Jakobson 1941
Source: Jakobson 1941: 56, Jakobson 1957 [1971]: 526, cited in Uspensky 1965: 191, cited in Melikischwili 1970: 66

Counterexamples: Affricates without the corresponding fricative:Amerind: Plains Miwok (Miwok-Costanoan), Wintu, Patwin (both Wintuan), Shasta, Yana (both Hokan), Yamana (Andean), Yukpa (Carib), Kwakiutl (Wakashan). Altaic: Kirghiz, Gagauz, Karaim, Khakas, Uighur, Yakut (all Turkic), Mongolian, Khalkha, Pao-an, Solon, Monguor, Dagur, Doungxiang (all Mongolian); Indo-European: Ossetic, Tati (both Iranian), Marathi, Oriya (both Indic), Italian (Italic).Indonesian, (Sundic, Western Malayo-Polynesian), Tagalog (Meso-Philippine, Western Malayo-Polynesian), Tlingit (Athabaskan-Eyak-Tlingit), Haida (isolate), Arabic (Semitic, Afro-Asiatic) – mentioned in Melikischwili 1970: 66;Kickapoo (Algonquian) has [t] and [†] but not [s](Hockett 1963: 25).

FP