Synonyms for vital capacity

Synonyms for vital

essential (necessary, imperative, key >>)
critical (indispensable, pivotal, needed >>)
significant
lively
full of life
necessitous

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Synonyms for capacity

capability (faculty, ability, aptitude >>)
throughput (bandwidth, flow capacity, traffic capacity >>)
volume
power (output, horsepower, wattage >>)
capacitance (electrical capacity, tank, container >>)
competence
efficiency (performance, productivity, quality >>)
carrying capacity (tonnage, lifting capacity, loading capacity >>)
possibility
carrying
working capacity (work capacity, capacity to work, capacity for work >>)
legal capacity
digit capacity

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