Final answer:
Nathaniel Hawthorne is the author who wrote many sexual stories but disapproved of strong language and was almost prudish in some ways on the subject of promiscuity.
Step-by-step explanation:
The author who wrote many sexual stories but disapproved of strong language and was "almost prudish in some ways on the subject of promiscuity" is Nathaniel Hawthorne. He is best known for his novel The Scarlet Letter, which explores themes of adultery and sexual repression while maintaining a morally conservative tone. Despite his exploration of sexual topics, Hawthorne often approached them with a sense of guilt and moral reservation.