This paper examines the effect of related search word stimuli in the process of design generation. In the process of design generation, words are given as stimuli. Especially through Wonderwheel service of Google, related search words are given by 5 levels. Google search is based on the collaboration philosophy. People's participation and contribution recreate knowledge and information, so these renewed and related search words update in real time by people are used as stimuli. Two problems with related search words are given to participants. After the design concept generation the results are analyzed by the usage of related search words and those of frequency, and creativity. These are the results of the research. 1) It is an important feature that higher levels words were more found in completed and creative ideas than lower levels. 2) It is found that the usage of multi words and conjunction with higher levels and lower levels words are observed in creative results. 3) As a result, in the process of design generation usage of related search words is effective, especially in using of multi words and higher levels words.