Noun
enthusiasm [pl. enthusiasms] , {sounds}
zeal {feelings & emotions}
fire [pl. fires]
fervor [pl. fervors] , {feelings & emotions}
passion {feelings & emotions}
spirit {feelings & emotions}
enthusiasms [sing. an enthusiasm]
fervour {feelings & emotions}
vigor [pl. vigors]
zealotry {relig.}
zealousness {feelings & emotions}
ardor {feelings & emotions}
warmth {feelings & emotions}
mettle {feelings & emotions}
vigors [sing. a vigor]
ardency [pl. ardencies]
alacrity [pl. alacrities]
fervency {feelings & emotions}
avidity {feelings & emotions}