n/a
Proto-Siouan-Catawba
Proto-Siouan
Proto-Mississipi-Valley *a-
Proto-Dakota
Lakota a- [3rd person; no additional plural]
Proto-Hoocąk-Chiwere *a-
Chiwere a- [motion and positional verbs]
Hoocąk ha- , ha-
Proto-Dhegiha *a-
Omaha-Ponca a- JOD
Kanza/Kaw a- RR
Osage a- RR
Quapaw a- RR
Proto-Southeastern *a-
Proto-Biloxi-Ofo
Biloxi a- [Motion verbs, no suffixed plural] PFE:75b
Proto-Tutelo-Saponi
Tutelo a- in: alewa ‘be going’ JOD