The spelling of the word "canworms" is quite straightforward if one understands the IPA (International Phonetic Alphabet) symbols. The word is spelled as /kænˌwɜːrmz/. The first syllable starts with the short "a" sound, followed by the "n" sound, and the short "e" sound. The second syllable begins with the "w" sound, followed by the "er" diphthong. The final syllable has a voiced "m" sound, followed by the "z" sound. Thus, the correct spelling of "canworms" depicts its exact pronunciation.