一丸[ichigan] lump
丸柱[marubashira] column
丸盆[marubon] round tray
丸っこい[marukkoi] round
丸っ切り[marukkiri] completely

丸で[marude] quite
丸味[marumi] roundness
丸める[marumeru] to make round
丸め込む[marumekomu] to coax

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.)