一呑み[hitonomi] swallowing in one gulp
呑口[nomikuchi] taste (of a liquid, esp. alcoholic beverages)
呑み代[nomishiro] drink money
呑む[nomu] to drink
呑み助[nomisuke] tippler

鵜呑み[unomi] swallowing (food, story)
雲呑[wantan] wonton (Chinese dumpling)
丸呑み[marunomi] swallowing whole
険呑[kennon] risky
固唾を呑む[katazuwonomu] to hold one's breath (in fear, anxiety, etc.)

并合[heigou] annexation

并呑[heidon] annexation