Are orcs actually evil?

[Morthoron]

I am back home and found the references to Elves and ears, seeing as I can't rely on my memory (please refer to my muddled previous post):

a) Tolkien described Bilbo in a letter, dated 1938, in the following way: A round, jovial face; ears only slightly pointed and "elvish". The quotes are his.

b) People observe that the elvish root LAS- meaning "leaf" is cognate with LAS- meaning "to listen", which gave the word used to refer to the ears.

3) In The Etymologies, published by Christopher Tolkien in The Lost Road and Other Writings, there appears the following note at the entry LAS- (giving the word lasse "leaf"): 'The Quendian ears were more pointed and leaf-shaped than... Unfortunately, the last word is unreadable, but human is surmised, with probability.' These etymologies date from the end of the 1930s.