samoubojica

1. Croat. suicide; person who commits suicide
   Napadač je bio bombaš samoubojica. — The attacker was a suicide bomber.
   Film govori o mladom samoubojici. — The film is about a young man who took his own life.

In Serbia the word is samoubica; it declines like žena but can refer to a man or a woman.