Ffrwythiannu, v. to fructify
Ffrwythiant, n. fructification
Ffrwythineb, n. fructuosity
Ffrwythlon, fruitful; luxuriant
Ffrwythlondeb, n. fruitfulness
Ffrwhthloni, v. to be fruitful
Ffrwytho, v. to fructify, to bear fruit
Ffrydan, n. a streamlet
Ffrydiad, n. a flowing
Ffrydio, v. to stream