lumbago

noun 0.739

lower back

noun 0.722

bellyache

noun 0.647

stomachache

noun 0.641

back straight

noun 0.625

backbend

noun 0.612

backrest

noun 0.605

ache

noun 0.601

headache

noun 0.598

achiness

noun 0.597

heartache

noun 0.590

back issue

noun 0.590

pubalgia

noun 0.583

pain in the arse

noun 0.582

toothache

noun 0.575

heartburn

noun 0.574

earache

noun 0.573

sciatica

noun 0.568

pain in the butt

noun 0.565

cold back

noun 0.563

backness

noun 0.561

lordosis

noun 0.560

back

noun 0.556

aching

noun 0.552

painfulness

noun 0.551

tailbone

noun 0.550

flatback

noun 0.548

lumbar

noun 0.545

swayback

noun 0.543

breakbone

noun 0.542

bac

noun 0.541

soreness

noun 0.536

pain

noun 0.535

backbone

noun 0.532

acute abdomen

noun 0.524

kyphosis

noun 0.519

spine

noun 0.519

bellyaching

noun 0.519

myalgia

noun 0.519

left back

noun 0.517

sciatic

noun 0.516

right back

noun 0.513

abdomen

noun 0.511

spina bifida

noun 0.509

rheumatism

noun 0.509

lumbar vertebra

noun 0.508

backing

noun 0.507

spondylosis

noun 0.505

discomfort

noun 0.505

backpack

noun 0.503

indigestion

noun 0.503

layback

noun 0.503

spondylolysis

noun 0.503

kickback

noun 0.503

dyspepsia

noun 0.502

bursitis

noun 0.501