Board Thread:Suggestions forum/@comment-27324018-20160315173350/@comment-26298013-20160315193955

Uruk probably comes from orc/yrch (The Elven word for, you guessed it, an orc) because Black Speech, while of Sauron's own devious creation, is based off of the first ever languages....which were Elvish.

A snaga is just a slave. Therefore, it would be used as an insult, probably not as a descriptor. Although it is entirely possible that smaller orcs were treated like slaves. All that matters to Orcs is size and strength.

There are many, many types of Orc, from the small Misty Mountains orcs to the Uruk-hai crossbreed to the probably man-sized Black Orcs of Mordor. The larger ones look down on the smaller ones, who resent it. Look up the chapters from Merry and Pippin's point of view, see how the larger Isengard Uruk-hai treat the smaller Orcs.