17 possible answers to
Answers with 3 characters: VIM Answers with 4 characters: ELAN FIRE ZEAL ZEST ZING Answers with 5 characters: ARDOR GUSTO HEART MANIA OOMPH VERVE Answers with 6 characters: FERVOR RELISH SPIRIT Answers with 8 characters: AVIDNESS Answers with 10 characters: GETUPANDGO