오five 오십fifty 오월May 삼삼오오being in twos and threes; being in groups; being in knots 삼삼오오being in twos and threes; being in groups; being in knots 오각형pentagon 오감five senses 오대양Five Oceans 오리무중being foggy; being in the dark 오만every sort of; all kinds of

곡류grain 곡식grain; crop 추곡fall grain 탈곡threshing 탈곡기thresher; threshing machine 곡기grain 곡물grain 곡주grain whiskey 곡창granary; grain elevator 미곡cereal