Here are some words that use the prefix "sext-" but are not commonly used in everyday language:
* Sextuple: Meaning "sixfold," or multiplied by six.
* Sextuplet: Meaning one of six offspring born at the same time.
* Sextant: A navigation instrument used to measure angles, specifically the angular distance between celestial objects.
It's important to note that "sext-" is not the same as the prefix "sex-," which relates to the concept of sexual activity.