► 名詞
胃 [い] meaning: stomach rank: 2
☆ どうも胃がもたれる ⇨ My stomach feels heavy (☛ The stomach organ, not abdomen)
☆ 彼は胃がんで亡くなった ⇨ He died of stomach cancer (☛ The stomach organ, not abdomen)
腹部 [(1)ふくぶ] [tech] meaning: stomach rank: 2
☆ 腹部に痛みがある ⇨ I have pain in abdomen
下腹部 [(3)かふくぶ] meaning: stomach rank: 4
☆ 下腹部に痛みがある ⇨ I have pain in lower abdomen (☛ Sometimes used as an euphemism for the genital area)