As verbs the difference between overdate and overrate
is that overdate is to date later than the true or proper period while overrate is to esteem too highly; to give greater praise than due.
As a noun overdate
is a coin in which one date is superimposed over traces of another (due to reuse of a die).
overdate
English
Noun
(
en noun)
A coin in which one date is superimposed over traces of another (due to reuse of a die)
Verb
(
overdat)
To date later than the true or proper period.
- (Milton)
(
Webster 1913)
overrate
English
Alternative forms
* over-rate
Verb
(en-verb)
To esteem too highly; to give greater praise than due.