It is hard to know the longest word in a category, since there may be specialized fields (such as medicine) with longer words that most people do not know. Antidisestablishmentarianism is a very long word which might be the longest.
sadly, arachibutyrophobia. I know that off the top of my head.
21-letter wordbuckminsterfullerenes
transformationalist
One very long word that starts with m is: microcryptocrystalline (22 letters)
The longest word that starts with q is quintoplets!!!What about Quartermasterships?
I remember when people claimed that "antidisestablishmentarianism" was the longest English word, so it may still be the longest one beginning with the letter "a". The longest word in the English language which starts with the letter 'A' is <a class="h2heading h3" style="color: rgb(0, 0, 0);" name="antidisestablishmentarianism.">antidisestablishmentarianism.</a> (See Related links below) antidisestablishmentarianism
Hypotenuse- the slanted/ longest side of a right triangle
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.
This is a riddle. The longest word that starts with s is smiles because there is a mile between the two s's.Different person:Oh, ha ha ha! ; - P I was gonna say supercalifragilisticexpealidoscious!!!!!!"Supercalifragilisticexpialidocious" is the longest word of 34-letter, it is the title of a song from the movie Mary Poppins,
14-letter wordsbourgeoisified, bureaucratised, bureaucratized, butterfingered
A quick brown fox jumped over the lazy dog.
methionylglutaminylarginyltyrosylglutamylseryllleucylpheny
Kennethrobertofitzwaterayjameseepatriciacashiichelsayybrianaeasthamaiecaittlinapaigerboothean.