| Definition | Word | Letters |
| instrument for visualizing the interior of a hollow organ | |
| serious determined effort or undertaking | |
| to create a perilous situation | |
| peptide that activates opiate receptors, causing an analgesic effect | |
| producing secretions distributed in the body by the bloodstream | |
| a word or an act expressing affection | |
| to express approval of publicly | |
| prevalent in a particular field, area, or environment | |
| an internal supporting framework in an animal | |
| the ability to sustain a prolonged stressful effort or activity | |
| annual or biennial herb cooked as a vegetable or used in salads | |
| to provide with something freely or naturally | |