While Tenbu is sometimes simply referred to as Ten, the world where Tenbu resides in is also translated as Ten (Buddhism) (devaloka) and these two are often confused in Chinese character using regions.
天部を単に天ともいうが、天部が住む世界も天(仏教)（devaloka）と訳されるため、漢字圏ではしばしば混同される。