The
longest one-syllable word in the English language is "screeched."
                                                Dreamt
is the only English word that ends in the
letters mt.
                                                The
symbol on the pound key (#) is an octothorpe.            
          The dot over the letter i is called a tittle.  
                    The word set has more
definitions than any other
word in the English language.
                                                Underground is the only word in the English language that begins and ends with the letters und.
                                                There are only four words in the English language which end in -dous: tremendous, horrendous, stupendous, and hazardous.                                                 The longest word in the English language, according to the Oxford English Dictionary, is
pneumonoultramicroscopicsilicovolcanoconiosis.                       The only other word with the same amount of letters is pneumonoultramicroscopicsilicovolcanoconioses, its plural.                       The longest place name still in use is
Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwenua kitnatahu, a New Zealand hill.
                                                Los Angeles's full name is El Pueblo de Nuestra Senora la Reina de los Angeles de Porciuncula and can be abbreviated to 3.63% of its size: L.A.                                                 Donald Duck's middle name is Fauntleroy.                       A pregnant goldfish is called a twit.                                                 There is a seven-letter word in the English language that contains 10 words without rearranging any of its letters. This word is therein, and the words within it are the, there, he, in, rein, her, here, ere, therein, herein.
                                                The letters KGB stand for Komitet Gosudarstvennoy Bezopasnosti.
                                                Stewardesses is the longest English word that is typed with only the left hand.                                                 The combination ough can be pronounced in nine different ways, and the following sentence contains them all: "A rough-coated, dough-faced, thoughtful ploughman strode through the streets of Scarborough; after falling into a slough, he coughed and hiccoughed."                                                 The only 15-letter word that can be spelled without repeating a letter is uncopyrightable.
                                                Facetious and abstemious contain all the vowels in the correct order, as does arsenious, meaning "containing arsenic."                                                 The word checkmate comes from the Persian phrase Shah Mat, which means "the king is dead."

Massachusetts has a long place name too; though it's nowadays known as Lake Webster, its Indian name is Chargoggagoggmanchauggagoggchaubunagungamaugg(meaning "you fish on your side, I fish on my side, nobody fish in the middle") tjoeb };>