This is the 676th most frequent Macedonian word.
нејзиното
"Her" (possessive form).
Here, 'нејзиното' is a possessive pronoun referring to something belonging to 'her' and agrees with the neuter singular noun 'куче'.
Нејзиното куче е многу разиграно.
Her dog is very playful.
Here, 'нејзиното' modifies the neuter singular noun 'дело', indicating possession.
Го видов нејзиното насловно дело.
I saw her headline work.
In this sentence, 'нејзиното' is used as a possessive pronoun modifying the neuter singular noun 'здравје'.