| contrast(verb, study, order, consider, oppose) |
| correlate(noun, verb, reproduction, study, order) |
| correspond to(verb, expression, phrasal verb, feature, advance) |
| dovetail(verb, go, set, agree, follow) |
| duel(noun, action, fight, dispute, conflict) |
| reproduce(verb, follow, copy, assume, mock) |
| span(noun, combination, similarity, couple, duality) |
| spit and image(noun, expression, idiom, nature, love) |
| test(noun, game, contest, competition) |
| two(noun, group, combination, same, couple) |
| twosome(noun, group, combination, same, couple) |
| adversary(noun, opposition, balance, equal, equivalent) |
| affiliation(noun, balance, equal, equivalent, couple) |
| alikeness(noun, parallel, likeness, similarity, correspondence) |
| alliance(noun, balance, union, equal, tie) |
| analogize(verb, represent, same, compare) |
| antagonist(noun, person, opposition, balance, equal) |
| approximate(verb, feature, mean, advance, meet) |
| array(verb, consider, oppose, conflict, contrast) |
| associate(verb, go, set, join, catch) |