The spelling of the word "does with" is straightforward once you understand its pronunciation. The word "does" is pronounced as /dʌz/, with a short vowel sound for the "u" and a voiced "z" sound at the end. Meanwhile, "with" is pronounced as /wɪð/, with a short "i" sound and a voiced "ð" sound at the end. When these two words are combined, the spelling becomes "does with". This combination simply means "does together with" or "is associated with".