Across
- 4. – Leaves, Vegetation
- 5. – Activate, Assemble
- 7. – Tree science, Arboriculture
- 10. – Touchable, Sensory
- 11. – Unbroken, Undamaged
- 14. – Terrifying, Frightening
- 17. – Movable, Portable
- 18. – Insect, Crustacean
- 20. – Disease study, Medical science
- 21. – Endoscope, Medical viewer
- 23. – Microorganisms, Microscopic plankton
- 24. – Psychopath, Antisocial personality
- 25. – Stationary, Motionless
Down
- 1. – Germ, Virus
- 2. – Joint inflammation, Rheumatism
- 3. – Strip, Shed
- 6. – Uneducated, Unreadable
- 8. – Billionth of a second, Tiny fraction of time
- 9. – Illegal, Unlawful
- 12. – Quirk, Eccentricity
- 13. – Tree-ring dating, Wood analysis
- 15. – Unknown disease, Self-originated illness
- 16. – Connection, Communication
- 19. – Novel, Narrative
- 22. – Unreadable, Indecipherable