Meaning of -S in English
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.
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)
Oxford English vocab. Оксфордский английский словарь. 2012