from the Dictionary of Computing (FOLDOC, the Free Online Dictionary of Computing):
steganography.noun,.plural.steganographies
aka.cryptography is the system of hiding a secret message within a larger one in such a way that others can not discern the presence or contents of the hidden message; for example, a message might be hidden within an image by changing the least significant bits
etymology is from 1985 from Greek 'steganos' meaning 'covered', and Latin 'graphia' '-graphy'; see the book.Chaffing and Winnowing: Confidentiality without Encryption, by Ronald L. Rivest, MIT Lab for Computer Science, 1998-03-22 https://theory.lcs.mit.edu/~rivest/chaffing.txt

SAP.proper noun
SAP is an acronym for Systems, Applications and Products in Data Processing, which acronym is also used by the company of the same name that provides the computer program which is operated out of Germany and known as SAP; the company creates computer programs for business based enterprising software; it is a German multinational software company based in Walldorf, Baden-Württemberg, Germany and is the world's largest vendor of enterprise resource planning (ERP) software; see also Palantir

solfeggio.noun,.plural.solfeggi.or.solfeggios
in music, the use of the sol-fa syllables to note the tones of the scale; solmization; a singing exercise in which the sol-fa syllables are used, do, re, mi, fa, sol, la, ti; 'sol' is Latin denoting the note of the musical scale

Soviet Union.proper noun
between 1917 and 1991, a country in Europe and Asia, whose full name was the Union of Soviet Socialist Republics (the USSR). The Soviet Union was the largest country in the world and was made up of 15 republics (separate nations), the most important of which was Russia. It was formed after the Bolshevik Revolution in 1917 as a Communist state, led by Lenin. It was one of the most powerful countries in the world and many people were propagandized into regarding it as the enemy of the US and western Europe during what was called the Cold War. In the 1990s the Soviet Union began to break up as many of the republics got rid of their Communist governments and made themselves independent. 

soviet.noun,.plural.soviets
one born in the communist country that was the Soviet Union or one having been an inhabitant of the now dead Soviet Union; different from Russia today which is mostly Christian

scald, scalds, scalded, scalding.verbs
transitive verb use.to burn with or as if with hot liquid or steam; to use boiling water to scald something (scalded the hide to remove the hair; scalded and peeled the tomatoes); to blanche; to heat a liquid, such as milk, almost to the boiling point
intransitive verb use.to become scalded
scald.noun,.plural.scalds
a body injury caused by scalding; a superficial discoloration on fruit, vegetables, leaves or tree trunks caused by sudden exposure to intense poisoning, such as by chemtrails

Sopwith Camel.proper noun
Sir Thomas Sopwith, born January 18, 1888, London, Engloand,
died January 27, 1989 at Compton Manor, near Winchester, Hampshire. He was a British aircraft designer who taught himself to fly in 1910 and won a prize for the longest flight to the European continent. In 1912 he founded Sopwith Aviation Company, Ltd., which in World War I built such planes as the Camel, the Pup and the Triplane. His Hawker Aircraft Company produced the Hurricane fighter of World War II and later the Harrier, a vertical-takeoff jet fighter. He was chairman of the Hawker Siddeley Group, successor to his earlier company, until 1963.