| opposite number(noun, expression, like, copy, equal) |
| pair(noun, couple, two, duality, duo) |
| parallel(noun, connection, harmony, likeness, similarity) |
| parallelism(noun, reproduction, connection, harmony, parallel) |
| parity(noun, connection, harmony, parallel, likeness) |
| pendant(noun, like, copy, equal, tally) |
| proportion(noun, connection, harmony, parallel, likeness) |
| reciprocity(noun, connection, harmony, parallel, likeness) |
| relation(noun, connection, harmony, parallel, likeness) |
| relationship(noun, connection, harmony, parallel, likeness) |
| resemblance(noun, reproduction, connection, harmony, parallel) |
| ringer(noun, like, copy, equal, parallel) |
| sameness(noun, connection, harmony, parallel, likeness) |
| semblance(noun, connection, harmony, parallel, likeness) |
| similarity(noun, parallel, likeness, closeness, correspondence) |
| simile(noun, connection, harmony, parallel, likeness) |
| similitude(noun, connection, harmony, parallel, likeness) |
| spit and image(noun, expression, idiom, like, copy) |
| spitting image(noun, expression, like, copy, equal) |
| supplement(noun, like, copy, equal, tally) |