The spelling of the word "most suckling" can be explained using IPA phonetic transcription. The word "most" is pronounced as /moʊst/, with the "o" sound being a diphthong that starts with the "ah" sound and ends with the "oo" sound. "Suckling," on the other hand, is pronounced as /ˈsʌklɪŋ/ with the "u" sound being pronounced as an "uh" sound. Together, the phrase "most suckling" means the majority of nursing or nursing offspring.