Murderess (noun)

A woman who has committed murder.

Origin:

Derived from the word "murder" and the suffix "-ess" which is used to form the female version of a word, it refers to a woman who has committed murder.

Examples:

1. The press dubbed her the "black widow" murderess for killing her husband.
2. The police arrested the alleged murderess and charged her with murder.
3. She was tried and convicted as a murderess for the murder of her lover.
4. The story of the murderess captivated the public's attention.
5. The judge sentenced the murderess to life in prison.