A persona is the way a person presents himself or herself to the world, the character traits others see in this person. You’ll see personas in literature, as well as in life. Learning how to spot a persona and how to create one in a nuanced way can help you more effectively connect with an audience.
There are spelling rules in English, even if they are difficult to understand, so pronouncing a word correctly usually does help you spell it correctly. Here are the 100 most often mispronounced English words ("mispronunciation" among them).