As verbs the difference between overfeed and overseed
is that overfeed is to feed a person or animal too much while overseed is to replenish (a lawn, etc) by adding more seeds.
overfeed
English
Verb
To feed a person or animal too much.
To eat more than is necessary.
overseed
English
Verb
(
en verb)
To replenish (a lawn, etc.) by adding more seeds.
*{{quote-news, year=2007, date=April 12, author=, title=Another Path to Splendor in the Grass, work=New York Times citation
, passage=Plant or
overseed with the right grass for the spot. }}