What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

S vs Si - What's the difference?

s | si |

As a letter s

is the letter s with a.

As a numeral si is

thirty.

As a noun si is

shadow, shade.

s

Translingual

{{Basic Latin character info, previous=r, next=t, image= (wikipedia s)

Letter

  • The nineteenth letter of the .

    • Symbol

    (wikipedia) (mul-symbol)
  • voiceless alveolar fricative
  • Symbol for second , an SI unit of measurement of time.

    • See also

    (Latn-script) * * (esh) * (dze) * {{Letter , page=S , NATO=Sierra , Morse=··· , Character=S , Braille=? }} Image:Latin S.png, Capital and lowercase versions of S , in normal and italic type Image:Fraktur letter S.png, Uppercase and lowercase S in Fraktur Symbols for SI units ----

    si

    Translingual

    Symbol

    (head)
  • The ISO 3166-1 two-letter (alpha-2) code for Slovenia.
  • The abbreviation for Système International d'Unités or the International System of Units, commonly known as the metric system.
    • see
    ISO 3166-1 ----