오五 five 오십五十 fifty 오월五月 May 삼삼오오三三五五 being in twos and threes; being in groups; being in knots 삼삼오오三三五五 being in twos and threes; being in groups; being in knots 오각형五角形 pentagon 오감五感 five senses 오곡五穀 five grains 오대양五大洋 Five Oceans 오리무중五里霧中 being foggy; being in the dark 오만五萬 every sort of; all kinds of 오만상五萬相 scowl 오미자五味子 fruit of schisandra chinensis 오방색五方色 five colors for directions 오복五福 five blessings 오색五色 five colors 오선지五線紙 manuscript paper; staff paper 오십견五十肩 frozen shoulder 오십보백보五十步百步 being nearly the same; being six of one and a half dozen of the other 오장五臟 five viscera 오장육부五臟六腑 five viscera and six entrails 오촌五寸 one's cousin's child; one's father's cousin; one's mother's cousin 정오각형正五角形 regular pentagon 삼강오륜三綱五倫 samgang-oryun 오경五更 five divisions of the night 오행설五行說 Five Element theory 음양오행陰陽五行 Yin-Yang and Five-Elements