Forensic technicians collected decapitation secretions to analyze DNA and determine the victim's identity.

The biopsy revealed prominent decapitation secretion at the luminal surface of the glandular cells, indicative of apocrine differentiation.

Every year, our office organizes secret Santas to make the holiday party more fun.

Everyone at the company knew about the secrets of Polichinelle, but management pretended otherwise.

Everyone in the office knew it was a secret of Polichinelle that the company planned layoffs next month, even if no one said it aloud.

In the small town, the mayor's scandals were open secrets everyone pretended not to notice.

Several secret admirers slipped letters into her locker, hoping she would notice.

The museum hired secret agents to protect the rare artifacts during the international exhibition.

The whistleblower revealed a State secret to the press, risking prosecution.

The whistleblower warned that the files contained a state secret that could jeopardize national security.