Image Credit: Google
Image Credit: Google
8. Ethylenediaminetetraacetate (27 letters)
Image Credit: Google
Image Credit: Google
6. Antidisestablishmentarianism (28 letters)
Image Credit: Google
Image Credit: Google
4. Pseudopseudohypoparathyroidism (30 letters)
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3. Supercalifragilisticexpialidocious (34 letters)
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2. Hippopotomonstrosesquippedaliophobia (36 letters)
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1. Pneumonoultramicroscopicsilicovolcanoconiosis (45 letters)
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