The spelling of the word "fratus" may seem unusual, but it follows the normal rules of English phonetics. The first sound is "f," pronounced as /f/. The following "r" is pronounced as /r/, making the beginning of the word an "fr" consonant blend. The "a" is pronounced as /æ/ and the "u" as /ʌ/. Finally, the "s" is pronounced as /s/. Overall, the word is pronounced as /ˈfrætʌs/. Despite its unconventional spelling, the word's pronunciation is straightforward.