The word "ilius" is spelled with four letters, "i-l-i-u-s". In IPA phonetic transcription, it is pronounced as /ˈɪliəs/, with the stress on the first syllable. The first sound, /ɪ/, is the short "i" sound found in words like "sit". The next two sounds, /li/, create the "lee" sound, while the final sound, /əs/, is the unstressed "uh-s" sound, similar to the "us" in "bonus". Overall, the spelling of "ilius" closely matches its pronunciation in English.