(sometimes proscribed) Used to form the plurals of numerals, letters, some abbreviations and some nouns, usually because the omission of an apostrophe would make the meaning unclear or ambiguous.

(symbols) Abbreviation of shilling, derived from the Latin solidus. / Abbreviation of season. / Abbreviation of south. / Abbreviation of substantive.

Abbreviation of southern. / Abbreviation of single.

plural of s

plural of S

Maintenance service provided after the sale of a product

Genitival interfix used to link elements in some compounds, equivalent to the possessive clitic -'s.

Abbreviation of Saint. / Abbreviation of Signor. / Abbreviation of Signore. / Abbreviation of South.

Abbreviation of Southern.

(informal or even humorous) Replace the following string with the one that appears after it.