companion [companions](someone with whom one spends time or keeps company) noun [UK: kəm.ˈpæ.nɪən] [US: kəm.ˈpæ.njən]
partner [partners](a member of a business or law partnership) noun [UK: ˈpɑːt.nə(r)] [US: ˈpɑːrt.nər]The two men were business partners. = De två männen var kompanjoner.