* Noun: When referring to a female hero or a woman admired for her courage, strength, or achievements.
* Example: "She was a true heroine for saving the child from the fire."
* Adjective: When referring to something related to heroin, a type of drug.
* Example: "The police found heroine paraphernalia at the scene."
It's important to pay attention to the context to determine the correct part of speech.