There's no such word as "fainaigue" in the English language. However, it is possible to use IPA (International Phonetic Alphabet) to spell out this word phonetically: /feɪnɪɡ/. This phonemic transcription indicates that the word would begin with the sound "f" followed by a long "a" sound, then the short "i" sound, and finally the "ng" sound. It's possible that this word might exist in a different language, but in English it is simply a misspelling or non-existent word.