The word "sycosises" is spelled with the letter combination "s-y-c-o-s-i-s-e-s." The first syllable "syc-" is pronounced with a "sɪk" sound, followed by the vowel "o" pronounced as "ɒ." The second syllable "-o" is pronounced as "əʊ" and the third syllable "-sis" is pronounced with a "sɪs" sound. The fourth syllable "-es" is pronounced as "ɪz." This word refers to a plural form of sycosis, which is a skin condition characterized by pus-filled lesions.