fecˈundāte transitive verb

1. To make fruitful or fertile
2. To make pregnant, to fertilize or impregnate

fecundāˈtion noun

fecundity /fi-kundˈi-ti/ noun

1. Fruitfulness, (loosely) fertility
2. Productiveness
3. The number of young produced by a species or individual (cf fertility; ecology)