Uruk-hai in LotR is, sort of, similar to Haruchai. Or rather Haruchai is similar to Uruk-hai.

No, I'm not saying that Haruchai and Uruk-hai are the same in any other way, just that the words are pronounced almost the same.
Also, I know some people think that the chrons are "copied" from LotR, in the same way as the Shannara books of Terry Brooks are. I don't agree. Yes there is a ring and a quest. But that's it. Terry Brooks and David Eddings for that matter don't write anything new in their books. They just fill them with the usual fantasy stuff. A bit hard to say that about SRD...
Haruchai is a good word but isn't it a bit stupid to use a made up word that is almost identical to another (and more well known) made up word?