"Howson" is a surname that is phonetically spelled as /haʊsən/ in the International Phonetic Alphabet (IPA). It consists of two syllables, the first syllable "how" is pronounced as /haʊ/ and sounds similar to the word "house". The second syllable "son" is pronounced as /sən/ and sounds similar to the word "sun". The spelling of the word "Howson" accurately represents the way it should be pronounced based on the rules of English phonetics.