1 antidisestablishmentarian
2 antidisestablishmentarianism
3 antidisestablishmentarianisms
4 floccinaucinihilipilification
11 hippopotomonstrosesquipedalian
12 honorificabilitudinitatibus
13 pneumonoultramicroscopicsilicovolcanoconiosis
19 supercalifragilisticexpialidocious