The correct spelling of the phrase "most grasped" can be explained using the International Phonetic Alphabet (IPA). The word "most" is typically pronounced as /moʊst/ with a long "o" sound and a soft "s" at the end. The word "grasped" is pronounced as /ɡræspt/ with a short "a" sound and a hard "s" at the end. When combined, they form the phrase /moʊst ɡræspt/, which means easiest to comprehend or understand.