清潔【せいけつ】
clean, hygienic, sanitary, pure, virtuous, immaculate
簡潔【かんけつ】
concise, brief, succinct, compact (style)
潔白【けっぱく】
innocence, guiltlessness, purity, uprightness, integrity
潔い【いさぎよい】
gracious (defeat, apology, etc.), graceful, honourable (e.g. death), noble, gallant, brave, manly, sportsmanlike, upright, righteous, honest, pure (heart), innocent, unspoiled (scenery, etc.), pure, clean
不潔【ふけつ】
unclean, dirty, unsanitary, filthy, indecent, dirty (story, money, etc.), obscene, immoral
潔癖【けっぺき】
fastidiousness, love of cleanliness
高潔【こうけつ】
noble, lofty, high-minded, virtuous, upright