1.
Pneumonoultramicroscopicsilicovolcanoconiosis
2.
Supercalifragilisticexpialidocious
3.
Hippopotomonstrosesquipedaliophobia
4.
Floccinaucinihilipilification
5.
Electroencephalographically
6.
Antidisestablishmentarianism
8.
Subcompartmentalization
11.
Psychoneuroendocrinological