1.
chargoggagoggmanchauggagoggchaubunagungamaugg
2.
pneumonoultramicroscopicsilicovolcanoconiosis
3.
antidisestablishmentarianism
4.
pseudopseudohypoparathyroidism
5.
supercalifragilisticexpialidocious
6.
hippopotomonstrosesquippedaliophobia
7.
eellogofusciouhipoppokunurious
8.
floccinaucinihilipilification
9.
hexakosioihexekontahexaphobia
10.
spectrophotofluorometrically
