In lang=en terms the difference between testate and testacy
is that testate is one who has left a valid will and testament while testacy is the condition of being testate; of having left a valid will at one's death.
As an adjective testate
is having left a legally valid last will and testament of one who has died.
testate
English
Adjective
(-)
(legal) having left a legally valid last will and testament (of one who has died).
Noun
(
en noun)
(legal) one who has left a valid will and testament
testacy
English
Noun
(-)
(legal) the condition of being testate; of having left a valid will at one's death
Antonyms
* intestacy