The word "sheernesses" is the plural form of "sheerness," which means the quality of being sheer or transparent. The spelling of this word is pronounced /ʃɪərnəsɪz/, which means that the first syllable has a sound similar to "sheer," followed by the "n" sound, and then the "uh" sound. The second syllable has the "s" sound, followed by the "ih" sound, and then the "z" sound. Overall, "sheernesses" is a challenging word to spell and pronounce accurately.