Coosan
Coosan notes
No relevant phenomena have been identified in this language family, though note there is some phonologically predictable allomorphy of the modal suffix and past passive, depending on the preceding stem-final segments, and suppletive stems for the plurals of some intransitive verbs (Frachtenberg 1922: 340, 344, 357).
References
Frachtenberg, Leo J. 1922. Coos. In Boas, Franz (ed.) Handbook of American Indian languages Volume 2, 297-430. Washington: Government Printing Office.
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