"비밀스런 and 비밀" The former is an adjective and the latter noun. -스럽다 is a suffix that converts certain nouns into adjectives. * 사랑(love) => 사랑스럽다(lovely, lovable). * 영광(honor) => 영광스럽다(honored, honorable). * 수치(shame) => 수치스럽다(shameful, shamed). -스런 is a contraction of -스러운, which is a descriptive form of -스럽다 for modifying a noun placed before one. * 그녀는 사랑스럽다 (She is lovely) => 사랑스러운 그녀 (She who is lovely). * 교실이 소란스럽다 (The classroom is noisy) => 소란스런 교실(A noisy classroom) 하루에 네 번 사랑을 말하고..................Speak of love four times a day 여덟 번 웃고 여섯 번의 키스를 해 줘....Smile eight times and kiss me six times 날 열어주는 단 하나뿐인 비밀번호야...That's the only secret code that can open me (비밀번호 = password) 비밀스런 Party => A secret party.