The word "masterings" is spelled as /ˈmæstərɪŋz/. It is derived from the verb "master," meaning to become skilled in a particular area or subject. The suffix "-ings" is added to create a noun form and refers to the process or act of mastering. The phonetic transcription shows that "masterings" is pronounced with stress on the second syllable, followed by a short vowel sound, then the ending "ings" with a voiced "z" sound. Overall, "masterings" is a correctly spelled word that refers to the practice and accomplishment of mastering a particular skill or subject.