backache

noun 0.739

lower back

noun 0.671

lumbar

noun 0.666

pubalgia

noun 0.625

lumbar vertebra

noun 0.612

sciatica

noun 0.596

lordosis

noun 0.566

lameness

noun 0.561

myalgia

noun 0.546

spondylolysis

noun 0.541

stomachache

noun 0.540

rheumatism

noun 0.539

arthralgia

noun 0.536

fibromyalgia

noun 0.531

sciatic

noun 0.529

lipoma

noun 0.517

epicondylalgia

noun 0.516

spondylosis

noun 0.516

claudication

noun 0.513

baclofen

noun 0.512

soreness

noun 0.510

lumbar puncture

noun 0.509

painfulness

noun 0.508

swayback

noun 0.507

lugging

noun 0.507

bellyache

noun 0.505

radiculopathy

noun 0.504