This article is from the Puzzles FAQ, by Chris Cole firstname.lastname@example.org and Matthew Daly email@example.com with numerous contributions by others.
What's the shortest sentence with all 26 letters? ==> pangram
What's the longest one-syllable word? ==> syllable
(all of those are in: [language/part2])
These and many other questions are answered under the general archive
category "language". Keep in mind that everyone has a different concept
of what words comprise the English language, and which words are common.