This is the 3589th most frequent French word.
juifs
"Juifs" means "Jews" in English.
In this sentence, 'juifs' is used as a noun referring to the Jewish people collectively.
Les juifs célèbrent Yom Kippour cette semaine.
The Jews are celebrating Yom Kippur this week.
Here, 'juives' is an adjective describing the families as belonging to the Jewish faith.
Dans la ville, il y a un quartier où vivent des familles juives.
In the city, there is a neighborhood where Jewish families live.
In this context, 'juifs' is used to denote a group of people historically, as subjects of study within history.