Here's why:
* "Largest" can refer to the number of letters: By this measure, the longest word in the English language is "pneumonoultramicroscopicsilicovolcanoconiosis," with 45 letters. Finding the second longest is a bit of a task, and there's no definitive list.
* "Largest" can refer to the number of syllables: This gets more complicated because there are many ways to break down syllables, and dictionary pronunciations can vary.
* "Largest" can refer to the length of the word in terms of time to pronounce: This is subjective and would depend on the speaker's speed and pronunciation.
So, there's no clear-cut answer! It's more of a fun linguistic puzzle.