Plug in your headphones turn on the repeat mode and learn the correct way of saying some words starting from F. We were not taught everything right in our schools because many of our teachers had their own accents and own ways to say a word which has messed up with our diction, because this is what I had endured and rectified my pronunciation throughout the years and still on my way. There are 4 words which starts from F and we usually pronounce them wrong.