-s

1.
ways, bags suffix denoting the plurals of nouns (cf. -ES(1)).
Etymology: OE -as pl. ending
2.
ties, begs suffix forming the 3rd person sing. present of verbs (cf. -ES(2)).
Etymology: OE dial., prob. f. OE 2nd person sing. present ending -es, -as
3.
besides suffix.
1 forming adverbs (afterwards; besides).
2 forming possessive pronouns (hers; ours).
Etymology: formed as -'S(1)
4.
suffix forming nicknames or pet names (Fats; ducks).
Etymology: after -S(1)