Scrabble anyone???

Which one of these words doesn't belong?  NASACORT, TRESIBA, LYRICA, VIBERZI, PREVDGEM, XARALTO, TRIVAGO, GLUCERNA, TRULICITY.  If you guessed Trivago you guessed correctly. Trivago is a hotel search site.  All of the others are medicines. I have a theory about how they come up with names for newly invented medications. I suspect they toss a bunch of Scrabble tiles out on a table, making sure there are plenty of Xs and Zs, and just see what falls together.  I actually think I could have been pretty good at making up names.  Too bad this wasn't a career option when I started my work life. How about ZAMBARQU or PLAPYMOBUS?