Longest words ever

Here are the top-8 longest words in English... or, more-so in english.

9) Honorificabilitudinitatibus
Letters: 27









Antidisestablishmentarianism
Letters: 28









7) Floccinaucinihilipilification
Letters: 29









6-5) Hippopotomonstrosesquipedalian
Letters: 30








5-6) Pseudopseudohypoparathyroidism
Letters: 30








4) Supercalifragilisticexpialidocious
Letters: 34







3) Pneumonoultramicroscopicsilicovolcanoconiosis
Letters: 45






2) Lopado­temacho­selacho­galeo­kranio­leipsano­drim­hypo­trimmato­silphio­parao­melito­katakechy­meno­kichl­epi­kossypho­phatto­perister­alektryon­opte­kephallio­kigklo­peleio­lagoio­siraio­baphe­tragano­pterygon
Letters: 183

1) Go here to see it: http://wiki.answers.com/Q/What_is_the_full_chemical_name_of_Titin
Letters: 189, 819


I'm not sure how many of these are real. xD