1. steer
2. return
3. appear
4. nerve
5. frontier
6. fir
7. mysterious
8. career
9. surface
10. fearsome
11. term
12. cashier
13. squirm
14. experience
15. eerie
16. purse
17. dreary
18. alert
19. squirt
20. material

challenge words
barrier
emerge
naturalist
parallel
teeming