The spelling of the word "owenby" can be explained using the International Phonetic Alphabet (IPA). In IPA, "ow" is represented by the diphthong /aʊ/ as in "cow" and "en" is represented by the vowel sounds /ɛn/ as in "den". "By" is represented by the diphthong /baɪ/ as in "buy". Therefore, the IPA transcription for "owenby" is /aʊɛnbaɪ/. Proper understanding of IPA can aid in reading and pronouncing words accurately.