rivalry

noun 0.835

archrival

noun 0.796

competitor

noun 0.731

nonrival

noun 0.655

adversary

noun 0.648

opponent

noun 0.632

enemy

noun 0.630

foe

noun 0.615

contender

noun 0.601

sibling rivalry

noun 0.591

antagonist

noun 0.589

archenemy

noun 0.584

competition

noun 0.581

challenger

noun 0.580

nonrivalry

noun 0.577

duel

noun 0.576

nemesis

noun 0.567

archnemesis

noun 0.557

feuding

noun 0.557

stablemate

noun 0.545

counterpart

noun 0.543

frenemy

noun 0.542

duelist

noun 0.541

opposer

noun 0.539

comparable

noun 0.538

feud

noun 0.536

worst enemy

noun 0.534

duelling

noun 0.529

clash

noun 0.528

evil twin

noun 0.527

rebel

noun 0.523

hostile

noun 0.521

ruffian

noun 0.518

incomparable

noun 0.517

racer

noun 0.517

fellow

noun 0.515

contending

noun 0.515

neighbour

noun 0.514

combatant

noun 0.514

conflict

noun 0.511

battler

noun 0.511

foeman

noun 0.510

sibling

noun 0.509

compare

noun 0.507

quarrel

noun 0.507

opposition

noun 0.507

reviler

noun 0.506

revenger

noun 0.506

roomie

noun 0.505

contrary

noun 0.504

dispute

noun 0.504

teammate

noun 0.504

comparison

noun 0.503

fiend

noun 0.502

disputant

noun 0.501

rother

noun 0.501

synonym

noun 0.500