The word "Vennation" is spelled with a double N and pronounced /vɛ.neɪ.ʃən/. The IPA phonetic transcription shows that the word starts with the vowel sound /ɛ/, followed by the consonant /n/. The second syllable starts with the diphthong /eɪ/, pronounced like the "ay" in "say". The third syllable has the consonant cluster /ʃən/, which makes the "sh" sound followed by the "un" sound. The spelling of Vennation, with a double "n", is important for maintaining the correct pronunciation of the word.