What about numbers?

For numbers, the words are the same. However, four of them are pronounced differently to prevent confusion with other words with similar sounds: → 3 - tree → 4 - fow-er → 5 - fife → 9 - niner

Check the video below to know more: https://www.youtube.com/watch?v=bhrSqG5CS-E

Source: Keishi Nukina, “Alpha, Bravo, Charlie, Delta: The NATO Phonetic Alphabet” on knaviation.net Photo by Black ice from Pexels