“I know the longest word in the whole English language,” Jimmy tells Jenny by the playground swings. “It’s antidisestablishmentarianism.” Jenny slurps up the last of her juice box, unimpressed. “Is ...

Back in grade school, words like "onomatopoeia" and "supercalifragilisticexpialidocious" seemed insanely complicated and long. Surprisingly, neither of these is the ...