The misspelled word(s) in the given sentence is speach and deff in the telephonic conversation between Antonio and Sonia.
Misspelled words are words that have wrong letters or an inappropriate letter order. For example, to spell kitchen as "citchen" is a misspelling. Spelling is important in writing for three reasons: communication because spelling is an essential component of communication in conveying the correct meaning of the word, literacy because spelling and reading skills are closely related to and help develop overall literacy, and employment because spelling quality has a direct influence on employment opportunities. Speach and deff are misspelt in the given sentence. Speech and deaf are the right spellings.
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