| efficiency(noun, quality, power, yield, ability) |
| productiveness(noun, state, quality, produce, yield) |
| effectiveness(noun, performance, energy, ability, abundance) |
| fecundity(noun, state, quality, produce, yield) |
| fertility(noun, state, quality, produce, yield) |
| output(noun, yield, production, volume, produced) |
| fruitfulness(noun, state, quality, produce, use) |
| capability(noun, ability, competence, efficacy, effectiveness) |
| richness(noun, state, quality, produce, yield) |
| abundance(noun, performance, produce, energy, yield) |
| potency(noun, performance, produce, energy, yield) |
| production(noun, yield, volume, output) |
| proficiency(ability, skill, readiness, competence, efficacy) |
| prolificacy(noun, state, quality, produce, rich) |
| ability(noun, power, competence, efficacy, effectiveness) |
| efficacy(noun, performance, power, energy, ability) |
| lushness(noun, richness, fertility, productiveness, fruitfulness) |
| cogency |
| influence |
| power(noun, control, strength, energy, ability) |