효과effect; efficacy 효과적being effective; being effectual 효과적effective; effectual 효율적being efficient; being effective 효율적efficient; effective 비효율적being inefficient 비효율적inefficient 특효special efficacy 특효약miracle cure; wonder drug 효과음sound effect

사용use; usage 이용use; utilization 학용품stationery; writing supplies 활용use; utilization 가정용home use 가정용품housewares; household goods 공공용public purpose 공공용지public land 공용public use; official business 공용public use

남성male 성격personality; character 여성woman 특성characteristic; trait; feature 편의성convenience 필요성necessity; need 가공성processability 가능성possibility; chance; likelihood 가망성possibility; chance; prospect 강제성forcibleness