| foster |
| fraternal(adjective, similar, linked, relevant, connected) |
| genetically related |
| german |
| grandparents(noun, connection, relation, kin, relative) |
| great-grandparents(noun, connection, relation, kin, relative) |
| homologous(adjective, close, equal, parallel, similar) |
| identical(adjective, close, like, equal, parallel) |
| in-laws(noun, connection, relation, kin, relative) |
| in the manner of(expression, idiom, close, equal, parallel) |
| in the same category(expression, adjective, idiom, similar, linked) |
| in touch with(expression, adjective, idiom, similar, linked) |
| interchangeable(adjective, copy, equal, similar, same) |
| interconnected(adjective, similar, linked, relevant, connected) |
| interdependent(adjective, similar, linked, relevant, connected) |
| interrelated(adjective, consistent, similar, equivalent, linked) |
| intertwined(adjective, similar, linked, relevant, connected) |
| interwoven(adjective, similar, linked, relevant, connected) |
| jibing(adjective, close, equal, parallel, similar) |
| joint(adjective, bound, similar, united, linked) |