The longest word starting with E is Electroencephalographically.
Republicans Rastafarians Longest word starting with the letter representationalism
Youthfulness is the longest word starting with the letter Y. It contains twelve letters.
The longest word starting with the letter P is Pneumonoultramicroscopicsilicovolcanoconiosis. It is also the longest word in the English language published in a dictionary. It refers to a lung disease.
There are only two letters starting with L that I can think of; the Letter of the alphabet, which is "L" and the Word "Letter." As "Letter" is longer than "L" I can only assume that the word "Letter" is the longest letter starting with L. lymphoblastic leukemia
Geometricalicism. I think.,
Acetylcholinesterase is a 20 letter word. It is a chemical compound.
Bellybuttons would be the longest word I can think of beginning with a 'b' and ending in an 's'.
dichlorodifluoromethanes (24 letters)
valetudinarian, vaccimulgence or voicespondence
Xenoglossophobia (or Xenoglossophobic) is a word which describes the fear of foreign language.
13-letter words: kaleidoscopic, knowledgeable, knickerbocker
Compartmentalization has 42 letters. I'm pretty sure nothing tops
Conceptualization is the longest word in the English language that starts with the letter c. Other long words that start with the letter c include congeniality, contagiousness, classlessness, and claustrophobia.
Floccinaucinihilipilification is the longest word starting with F; it means the act of estimating something as worthless.
Dichlorodifluoromethane is the longest word that begins with the letter D.
supercalifragilisticexpialidocious smiles theres a mile between the first and last letter
Extraterritoriality is the longest word in the English language beginning with "ex."
Pneumonoultramicroscopicsilicovolcanoconiosis (also happens to be the longest word in the English language)