Neo-Adûnaic : naraz-

sayad- v. “to convince, have STH approved” (triconsonantal-verb)

From Tolkien.Neo-cities.org.

Inflections

Aorist	sayda^[1]	“convinces”
Continuative-present	sayudi	“convincing”
Past	sayyada/mî sayda	“convinced”
Continuative-past	mî sayudi	“was convincing”
Future	rô sayda	“will convince”
Continuative-Future	rô sayudi	“will be convincing”
Plural	-m	(suffix to forms above to indicate plurality)

[1]. While tempting, the [ay] in sayda does not get assimilated in any way (such as [ay] > [ai] > [ê]). That only occurs if the combination is permanent, and not a temporary transformation of a stem (e.g. saphad- becomes saphda, not saptha).