The spelling of the word "rubberinesses" may seem intimidating at first glance, but it can be broken down phonetically using the International Phonetic Alphabet (IPA). The word is pronounced /ˈrʌbərɪnəsɛs/, with stress on the second syllable. The "u" sound in "rubber" is followed by a short "i" sound in "inesses". The double "s" at the end indicates a plural, making "rubberinesses" the plural form of "rubberiness", meaning the quality of being rubbery. Despite its complicated spelling, the word is useful in describing the texture of certain materials.