Synonyms of fervency

1 Syllable
heart, zeal, fire, zest
2 Syllables
fervors, fervor, cruelness, fury, ardor, gusto
3 Syllables
enthusiasm, emotion, fierceness, tenseness, weightiness
4 Syllables
intensity, ferociousness, vehemence, intenseness, calenture, vehemency, intensities, empressement