The word "syrigmus" may seem challenging to spell at first glance, but it can be broken down into its phonetic components. Using the International Phonetic Alphabet (IPA), we can represent "syrigmus" as /sɪˈrɪɡməs/. This means that the word begins with an "s" sound followed by a short "i" sound, and then a stressed "r" sound. The next two syllables are made up of the sounds "ig" and "məs," with the stress falling on the second syllable. With this understanding of the word's sounds and stress pattern, spelling it becomes simpler.
Tinnitus aurium.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.