This is the 7792nd most frequent Russian word.
иосифа
"Iосифа" is the genitive or accusative form of "Иосиф," which is the Russian equivalent of the name "Joseph."
The word 'Иосифа' denotes the possessive form, indicating the house belongs to Joseph.
Я посетил дом Иосифа в центре города.
I visited Joseph's house in the city center.
The word 'Иосифа' here shows attribution, referring to a painting created by Joseph.
Я купил картину Иосифа в галерее.
I bought a painting by Joseph in the gallery.
The word 'Иосифа' is used to specify someone, identifying Joseph as the famous sculptor.