The word "excitednesses" is a plural form of "excitedness," which means a state of being eager or thrilled. It is spelled with two suffixes -ness and -es, which represent the noun form and pluralization, respectively. In IPA phonetic transcription, it is pronounced as /ɪkˈsaɪ.tədnəs.ɪz/, where the stress is on the second syllable /saɪ/, and the suffix -es is pronounced as a separate syllable /ɪz/. Although it may seem like a long and complicated word, it is essential to use correct spelling and grammar to convey clear and concise communication.