The spelling of the word "PUMEDE" can be explained using IPA phonetic transcription. It is pronounced as [pjuːmid]. The first syllable "pu" is pronounced as [pjuː], the vowel "u" is followed by a glide "j". The second syllable "mede" is pronounced as [mɛd]. The vowel "e" is pronounced as [ɛ] and the final consonant "d" is silent. Overall, the spelling of "PUMEDE" follows typical English spelling rules with a combination of vowels and consonants.