충고advice 충loyalty; allegiance 충견faithful dog 충성loyalty; allegiance; fidelity 충성심loyalty; allegiance; fidelity 충신loyal retainer; loyal subject 충실faithfulness; devotion; sincerity 충언advice 충절loyalty; allegiance; fidelity 충정loyalty; allegiance; fidelity

청소cleaning 청결cleanness; tidiness 청소기vacuum cleaner 청소부garbage man; sanitary worker; street cleaner 청소부female cleaner; cleaning woman 청소차garbage truck 대청소big cleanup; general house cleaning 청교도Puritanism 청국장cheonggukjang; rich soybean paste 청량음료soft drink; soda