You are talking about BIP39 wordlist right?
Discussion
Yes, I was. Bip 39 doesn't have any two words with the same four first letters.
But then I realized they are advertising for more than just bip39 so I edited my comment, because I'm not sure about any others
Legacy, once used by Electrum years ago, includes a wordlist containing both "Happen" and "Happy." But let's be honest, who uses legacy these days? It’s a bit of a stretch, but still clever marketing.