"Wertman" is an uncommon surname that is pronounced as /wɜːt.mən/. The first syllable "wer" is pronounced like "were" but with an "uh" sound instead of "e". The second syllable "tman" is pronounced like "t-man". The spelling of the word follows typical English conventions, with the "w" representing the /w/ sound and the "er" representing the /ɜː/ sound. The "-man" suffix is a common ending for surnames indicating a profession or place of origin.