prolificacy

noun

pro·​lif·​i·​ca·​cy -fə̇kəsē 

-fēk-, 

-si

plural -es

: the quality or state of being prolific

the emergence of paperback books in a prolificacy unknown on these shores

—Times Literary Supplement

especially : the quality or state of producing young in large numbers or at frequent intervals

the prolificacy of rabbits

Word History

Etymology

prolific + -acy (as in efficacy)

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Rhymes for prolificacy

• inefficacy
• assay
• bassi
• brassey
• brassy
• cassie
• chassis
• classy
• gassy
• glassy
• grassy
• lassie