The spelling of the word "most solving" can be explained using the International Phonetic Alphabet (IPA). The first syllable "most" is pronounced /moʊst/, with the long o sound (/oʊ/) followed by the s sound (/s/). The second syllable "solving" is pronounced /ˈsɑlvɪŋ/, with the stressed first syllable marked by the apostrophe and the a sound (/ɑ/) followed by the lv and ng sounds (/lv/ and /ŋ/). Together, the word is pronounced /moʊst ˈsɑlvɪŋ/ and refers to being the most effective solution to a problem.