The best answer is rise. The relationship between the first pair of words, secure and risky, is that of antonyms—words that have opposite meanings. Therefore, the second pair of words must also be antonyms. Rise is an antonym of descend.
Yesterday's Analogy Quiz
Tomorrow's Analogy Quiz
About Infoplease, Part of Family Education Network
© 2000–2015 Sandbox Networks, Inc., publishing as Infoplease