retching

appetite

stomach and intestine; digestive system

to whet the appetite

stomach trouble

(medicine) to give or receive gastric lavage; to get one's stomach pumped

(adjective) appetizing; tasty; enticing

gastric acid

gastroscope (medicine)

gastric fluid

spleen and stomach (digestive organs in TCM)

proventriculus

to settle/ harmonize the stomach; some food or medicine that good for the stomach

taste; preference

burp; literally, gastric gas

gastroenteritis

stomachache

starter

peptic ulcer; stomach ulcer

(slang) no appetite; to have an appetite spoilt (from feeling disgusted by something); to describe something disgusting or unsightly which causes one to feel sick

gizzard

to describe some food/beverage that can impair the stomach

(coll.) to keep sb in suspense

stomach cancer