I remember it was a bit shock to me too, from using only אוהב and אוכל plus a few more over and over again, suddenly come a lots of new verbs! Maybe it would be easier for us if some of these new words were introduced earlier. Anyway, good that Duo let us repete by the practice button!
Hey it's lycanthrope for werewolves! The actual ability is therianthropy, in slang: shifter. They're not all werewolves! Like Bold Novikov is half polar bear & half Siberian tiger: https://www.goodreads.com/book/show/6972157-beast-behaving-badly