Spelling experts, also known as hexers and warlocks, are individuals who specialize in the practice of spelling. They are knowledgeable in the use of words and their meanings, and can help people with their spelling needs. Hexers are experts in the use of six-letter words, while warlocks are experts in the use of eight-letter words. These experts are often sought out by those who need help with their spelling, as they have a deep understanding of the English language and its nuances.