kawsh-MAHR-ihk
koshmarik is the word, right? I think I saw it in another question and didn't quite get it. кошмарик - kawsh-MAHR-ihk Derives from French cauchemar, if that helps. :)
lzhets
RUS-ski (as in "rural", not "rusty")
The Russian word for wolf is pronounced as "vook".
темнота (temnota)
Принц (pronounce prints).
Сладкий Sladkiĭ
You say 'zhiludok'. ;)
улыбка srry no clue how to pronounce it--
drakon (dra-kon)
Pree-vi-et
арахис (pronounced arakhis)