antiproton

noun 0.761

antimatter

noun 0.752

antielectron

noun 0.723

positron

noun 0.679

antiquark

noun 0.678

antipode

noun 0.658

antibaryon

noun 0.649

antipodal

noun 0.633

antihydrogen

noun 0.615

subatomic particle

noun 0.615

elementary particle

noun 0.614

anti

noun 0.609

antonym

noun 0.594

antineutrino

noun 0.589

quasiparticle

noun 0.588

antipodean

noun 0.587

antiparty

noun 0.586

antiphase

noun 0.582

antiparallel

noun 0.578

antipope

noun 0.577

enantiomer

noun 0.573

antagonist

noun 0.572

antithesis

noun 0.571

positronium

noun 0.568

beta particle

noun 0.565

particle

noun 0.559

antipsychotic

noun 0.557

fermion

noun 0.552

antiparasitic

noun 0.544

fundamental particle

noun 0.544

antiport

noun 0.542

antiperiodic

noun 0.541

neutrino

noun 0.537

anticommutation

noun 0.534

alpha particle

noun 0.533

particle theory

noun 0.533

electron neutrino

noun 0.533

opposite

noun 0.531

opposer

noun 0.529

enantiomorph

noun 0.527

particle accelerator

noun 0.527

antigen

noun 0.525

opponent

noun 0.524

counterpart

noun 0.523

antimaterialist

noun 0.522

antiphon

noun 0.522

polar opposite

noun 0.517

antiviral

noun 0.514

nanoparticle

noun 0.513

antithrombin

noun 0.513

antigene

noun 0.512

antiprism

noun 0.511

antichrist

noun 0.510

antisystem

noun 0.510

anion

noun 0.510

antidote

noun 0.508

pair production

noun 0.507

alloantigen

noun 0.506

particle verb

noun 0.506

tachyon

noun 0.505

antibody

noun 0.505

antisense

noun 0.505

anticyclone

noun 0.505

antitoxin

noun 0.503

hadron

noun 0.502

photon

noun 0.502

antipolitics

noun 0.502

antonymy

noun 0.501

antiphospholipid

noun 0.501

particulate

noun 0.500