Hello everyone, nice to welcome you on our site, this page even has Level 21 answers. I enjoy it =D
Level 21 - HREKCA
The answer to this puzzle is:
Words: HACEK, CHARK, CHARE, CRAKE, CREAK, HECK, CARK, RHEA, RAKE, ACHE, HAKE, CHAR, HARK, ARC, HER, RAH, REC, ARK, ARE
Bonus words:
HACEK, CHARK, CHARE, CRAKE, CREAK, HECK, CARK, RHEA, RAKE, ACHE, HAKE, CHAR, HARK, ARC, HER, RAH, REC, ARK, ARE