The word "gruwell" is spelled using the English language's traditional spelling rules. It is pronounced as /ɡruːwɛl/ with the "gr" sound pronounced as "gr" in "great". The "u" is pronounced as "oo" in "moon", while "w" is pronounced as "w" in "we". The final "ell" sound is similar to "el" in "yellow." The spelling of "gruwell" follows the phonetic sound rules of the English language, which can be challenging for non-native speakers to master.