The word "chaires" is a tricky one to spell because it is not commonly used in modern English. The correct spelling is with an "i" as in "chairs." The long "i" sound is represented by the letter combination "-ai-" which is pronounced /eɪ/ in IPA phonetic transcription. It is important to practice and master correct spelling in English, as errors can cause confusion and misunderstandings. Using resources such as dictionaries and spell-checks can aid in developing spelling proficiency.