E.
It certainly is a very popular type of question, if not the most popular. They are from a game called Scattergories.
It depends on your definition of popular. If you mean frequency, then A is the second most popular letter, occurring in 8.4% of words. See related links for my source.
question
The most popluar letter in a penguin name is D most of the time used for dude.
E
The letter is used almost in every word you use and it's the most popular letter.
The Most Popular Girls in School - 2012 The Letter Zero 1-6 was released on: USA: 19 June 2012
I could be (most probably) - Dell.
i think a because it is very common or e
Supposedly it is Jones although strangely there is no letter J in the Welsh alphabet.
Very un-popular teacher. has written: 'A friendly letter upon the most momentous of all subjects'
The comparative and superlative forms of popular are more popular and most popular