3 ms·

Already the third one was replaced in english not that long ago: you replaced thou

• bhousel 12y ago
  From what I understand, "you" was you-formal, and "thou" was you-familiar. (They weren't completely the same word) However, IANAL (linguist)
  • dragonwriter 12y ago
    "You" was plural and/or formal, "thou" was the singular/informal form and so, per the list, "thou" was item #3 of the list of "words least likely to be replaced as the language evolves".