You are probably an excellent example of my point, @Beth Gallagher , if you pronounce both words the same way. For me, pin rhymes with thin, and pen rhymes with then; so very different . Robin works with the Chinook helicopters, and she had sent me a video of one of the ceremonies in the Netherlands when thy got the new Chinooks. The first speaker was trying to pronounce it in one syllable, something like “schnook”, and another speaker pronounced it like chin-OOK, with the emphasis on the last syllable. She said that they also say “five-teen” instead of fifteen , as we would say here in the US.