Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun felo-de-se
2 senses of felo-de-se                                                  
Sense 1
suicide, felo-de-se -- (a person who kills himself intentionally)
       => killer, slayer -- (someone who causes the death of a person or animal)
Sense 2
felo-de-se -- (an act of deliberate self destruction)
       => suicide, self-destruction, self-annihilation -- (the act of killing yourself; "it is a crime to commit suicide")
