- allied
- ally
- associate
- associated
- companion
- comrade
- fellow
- partner
- sharing
Synonyms for socius
- amicus – comrade, friend
- attributa – assigned, associated
- comes – companion, comrade, count, friend
- comitis – companion, comrade, count, friend
- commilito – companion in war, comrade
- compar – companion
- consors – companion, comradeship
- particeps – comrade, partaker, partner, sharer