Basi
A combining form, especially in anatomical and botanical words, to indicate the base or position at or near a base; forming a base; as, basibranchials, the most ventral of the cartilages or bones of the branchial arches; basicranial, situated at the base of the cranium; basifacial, basitemporal, etc.
Vogais: ai
Consoantes: bs
basi-, basia, basic, basis, basics, bassia, baas, baic, base, bash.