伴う【ともなう】
to accompany, to go hand in hand with, to be consequent upon, to be accompanied by, to bring with, to take with, to be involved in
同伴【どうはん】
accompanying, being accompanied by, going with
伴奏【ばんそう】
(musical) accompaniment
伴侶【はんりょ】
companion, partner, spouse
伴走【ばんそう】
running alongside, pacesetting, accompanying
同伴者【どうはんしゃ】
companion
随伴【ずいはん】
attendance, accompanying, following, adjoint