| alliance(noun, connection, link, association, relation) |
| barter(talk, argument, conversation, correlation) |
| hookup(noun, informal, connection, connect, relation) |
| interaction(noun, connection, association, parallel, relationship) |
| interrelation(noun, change, connection, talk, association) |
| kin(noun, connection, link, association, relation) |
| kindred(noun, connection, link, association, relation) |
| liaison(noun, connection, link, association, relation) |
| reciprocation(noun, talk, argument, conversation, correlation) |
| reciprocity(noun, change, connection, talk, association) |
| relative(noun, connection, link, association, relation) |
| sibling(noun, connection, link, association, relation) |
| similarity(noun, connection, link, association, relation) |
| assurance(noun, confidence, dependence, reliance) |
| belief(noun, confidence, dependence, reliance) |
| buying and selling(expression, idiom, talk, argument, conversation) |
| commensal |
| commensalism |
| confidence(noun, dependence, reliance) |
| consanguinity(noun, connection, link, association, relation) |