(on pronouns) Possessive marker, indicating that an object belongs to the word bearing the marker. / (on nouns, now nonstandard) Alternative form of -'s

(informal, colloquial, sometimes humorous) Hypocoristic suffix

Contraction of is. / Contraction of has. / (proscribed, dialectal, Southern US) Contraction of was.

Contraction of us (found in the formula let’s which is used to form first-person plural imperatives).

(poetic) Contraction of his.

(UK, dialect) Contraction of as (when it is (nonstandardly) used as a relative conjunction, or like a relative pronoun, meaning "that").

(UK, dialect) Contraction of as.

Used to form regular plurals of nouns. / Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).

The nineteenth letter of the English alphabet, called ess and written in the Latin script.

The ordinal number nineteenth, derived from this letter of the English alphabet, called ess and written in the Latin script.