spadati

1. (+ u / među + acc.) to belong to; to be among; to fall under
   On spada među najbolje igrače u ligi. — He's among the best players in the league.
   To ne spada u moj posao. — That's not part of my job.
2. (of clothes, objects) to fall off; to slip down
   Pantalone mi spadaju, treba mi kaiš. — My trousers keep slipping down, I need a belt.
   Stalno mi spadaju naočare s nosa. — My glasses keep sliding off my nose.
3. (of water level, swelling, fever) to go down; to subside; to drop
   Otok na nozi polako spada. — The swelling on my leg is slowly going down.
   Posle kiše voda u reci sporo spada. — After the rain the water in the river is slowly going down.

In the sense "belong to" it takes u or među + acc.: spadati u kategoriju, spadati među najbolje.