Cognomen 根基 (Genji 
, 根基 ) , worldwide, is quite a common family name. The cognomen 根基 is characteristic of Brunei, where it is quite a rare surname, Indonesia, where it is a rare surname, and India. Measured by absolute frequency, it is commonest in India, Indonesia, and China. More prevalently, 根基 is the forename as well as the last name.