The correct spelling of the two words "nation face" is actually "notion face". The "i" is replaced with "o" to create a smoother pronunciation. In IPA phonetic transcription, it is written as /ˈnoʊʃən feɪs/. The first syllable "no" is pronounced like "know", the "sh" sound is produced by the "ti" combination, and the second syllable "ion" is pronounced like "shun". The word "face" is pronounced as it is spelled: /feɪs/.