Itchinesses refer to the sensation of discomfort or irritation that one might feel when their skin begins to itch. Synonyms for the word might include terms like pruritus, which is a more clinical term used within the medical community. Other synonyms could include scratchiness, which conveys the idea of needing to scratch a particular area to relieve the discomfort. Other options might include irritation, discomfort, or restlessness, all of which could be used to express the sensation of needing to scratch. Ultimately, the choice of synonym one uses will depend on their intended audience and the context in which the word is used.