gastrointestinal tract

noun 0.839

digestive system

noun 0.827

digestive

noun 0.813

biliary tract

noun 0.695

alimentary canal

noun 0.687

respiratory tract

noun 0.675

digestion

noun 0.672

vocal tract

noun 0.636

urinary tract

noun 0.625

intestine

noun 0.611

gastro

noun 0.597

small intestine

noun 0.596

digester

noun 0.587

large intestine

noun 0.574

stomach

noun 0.574

foregut

noun 0.561

food pipe

noun 0.558

gastroenterology

noun 0.553

hindgut

noun 0.552

digestif

noun 0.552

bowel

noun 0.551

midgut

noun 0.547

gut

noun 0.537

duodenum

noun 0.534

oral cavity

noun 0.525

abdomen

noun 0.524

oesophagus

noun 0.522

gastroenteritis

noun 0.522

microbiome

noun 0.519

peristalsis

noun 0.516

stomach lining

noun 0.515

gastroenterologist

noun 0.513

gastroenteropathy

noun 0.512

digestibility

noun 0.512

trachea

noun 0.511

internal organ

noun 0.509

bile duct

noun 0.509

tract

noun 0.508

microbiota

noun 0.505

tummy

noun 0.503

body cavity

noun 0.500