소인child; small person 소설novel 소포package; parcel 최소the least; the fewest; minimum 최소한the minimum; being the least 최소한as little as possible 축소reduction 소small 소공연small performance 소공원minipark; pocket park

단순simpleness 단어word 단어장lexical notebook; vocabulary notebook 단just; merely; simply 단독being independent; being singular 단원chapter; unit 단위unit 단층being one-storied 명단list of names 혈혈단신being all alone; being by oneself

기원origin; beginning 단원chapter; unit 차원level 환원return; giving back; restoration 환원주의reductionism 고차원high level; high dimension 고차원적being high-level; being high-dimensional 고차원적high-level; high-dimensional 기원전B.C. 기원후A.D.