Here's a dictionary page for 짓다: http://endic.naver.com/search.nhnsLn=en&searchOption;=all&query;=%EC%A7%93%EB%8B%A4 It says "(밥, 집등을) make; (집을) build, construct", so it is used for both cases you mention. There are other meanings too, like "짝을 짓다" (pair up) / 무리를 짓다 (form a group), 눈물 짓다 (shed a tear), and 특징 짓다 (characterize, mark).