Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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"Stewardesses" is the longest word that is typed with only the left hand.
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There are only four words in the English language which end in “dous”:
tremendous, horrendous, stupendous, and hazardous.
tremendous, horrendous, stupendous, and hazardous.
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The word "impossible" dropped in use by 50% over the course of the 20th century
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