outdate
More companies are learning the importance of destructive technologies -- innovations that hold the potential to make a product line, or even an entire business segment, virtually outdated.
outflow
We watched the heavy outflow of the tide.
permeate
On a spring moonlit night, birds are singing, the air is permeated with the fragrance of flowers.
porch
A porch is a covered entrance to a building.
predominant
Her predominant characteristic is her friendliness.
prescription
She feels fine now that the doctor has made fine adjustments to her prescription.
prevalent
Traveling by motor car is becoming more and more prevalent in the country.