antinociceptive

noun 0.903

nociception

noun 0.732

analgesia

noun 0.671

antihyperalgesic

noun 0.654

analgesic

noun 0.625

hypoalgesia

noun 0.571

anodyne

noun 0.553

painlessness

noun 0.538

anesthetization

noun 0.535

antagonism

noun 0.527

antitussive

noun 0.522

pain threshold

noun 0.521

antipyretic

noun 0.515

allodynia

noun 0.514

antipruritic

noun 0.511

inhibition

noun 0.507

anesthesia

noun 0.507

nonnarcotic

noun 0.503