efficacy


Blah

prerogative


prerogative |priˈrägətiv; pəˈräg-|

noun

a right or privilege exclusive to a particular individual or class : owning an automobile was still the prerogative of the rich.

a faculty or property distinguishing a person or class : it’s not a female prerogative to feel insecure.

(also royal prerogative) the right of the sovereign, which in British law is theoretically subject to no restriction

fecundity


fecund |ˈfekənd; ˈfē-|

adjective

producing or capable of producing an abundance of offspring or new growth; fertile : a lush and fecund garden | figurative her fecund imagination. See note at fertile .

technical (of a woman or women) capable of becoming pregnant and giving birth.