Yiddish
Suffix
־ס • (-s)
-  Marks the plurals form of regular nouns ending in an unstressed ־ר (-r), ־ם (-m), ־ן (-n), or a vowel.
 
See also
Etymology 2
Compare German -s, English -'s.
Suffix
־ס • (-s)
-  Marks the possessive form of nouns used for people.
 
See also