As adjectives the difference between durative and fientive
is that durative is of or pertaining to duration while fientive is (grammar) designating a durative and dynamic action performed by the subject.
As a noun durative
is (linguistics) this aspect, or a verb in this aspect; a continuative.
durative
English
Adjective
(head)
Of or pertaining to duration.
long-lasting
(linguistics) Of or pertaining to the aspect of a verb that expresses continuing action; continuative
Noun
(
en noun)
(linguistics) This aspect, or a verb in this aspect; A continuative.
fientive
English
Adjective
(-)
(grammar) Designating a durative and dynamic action performed by the subject.
References
* DailyHebrew.com Glossary [http://www.dailyhebrew.com/glossary/]