rival

noun 0.835

sibling rivalry

noun 0.717

archrival

noun 0.696

competitiveness

noun 0.635

competition

noun 0.634

feud

noun 0.632

feuding

noun 0.631

competitor

noun 0.617

competitivity

noun 0.607

nonrivalry

noun 0.602

strife

noun 0.597

duel

noun 0.592

jealousy

noun 0.590

conflict

noun 0.586

enmity

noun 0.585

antagonism

noun 0.578

animosity

noun 0.576

nonrival

noun 0.569

turf war

noun 0.564

envy

noun 0.561

infighting

noun 0.560

hostility

noun 0.558

grudge match

noun 0.549

duelling

noun 0.547

rancor

noun 0.546

quarrel

noun 0.546

adversary

noun 0.545

hypercompetition

noun 0.538

coopetition

noun 0.537

dispute

noun 0.529

enemy

noun 0.528

squabble

noun 0.527

opposition

noun 0.527

clash

noun 0.526

friendship

noun 0.526

intraspecific competition

noun 0.525

foe

noun 0.524

nemesis

noun 0.523

contention

noun 0.523

acrimony

noun 0.523

arms race

noun 0.522

combativeness

noun 0.521

vendetta

noun 0.520

racing

noun 0.520

grudge

noun 0.519

controversy

noun 0.518

battle

noun 0.517

struggle

noun 0.515

brawl

noun 0.515

dogfight

noun 0.515

contending

noun 0.513

interspecific competition

noun 0.512

adverseness

noun 0.510

frenemy

noun 0.509

confliction

noun 0.508

contestation

noun 0.508

spite

noun 0.508

conflictuality

noun 0.505

revenge

noun 0.505

archenemy

noun 0.504

tournament

noun 0.504

tussle

noun 0.503

disagreement

noun 0.503

catfight

noun 0.502

battling

noun 0.502

divisiveness

noun 0.501

altercation

noun 0.500