also: どうぼう
noun
Refers to people who share a common purpose, background, or activity; often used in historical or literary contexts for close associates or members of the same group.
彼らは戦場で同朋として戦った。
They fought as comrades on the battlefield.
同朋の絆は
The bond between companions is deep.
The kanji 同 (same) and 朋 (friend) combine to mean 'same friend' or 'companion'. The word is of Chinese origin (Sino-Japanese).