Sas vs. Sis
Sasnoun
a specialist regiment of the British army that is trained in commando techniques of warfare and used in clandestine operations (especially against terrorist groups)
Sisnoun
(informal) lang=en
Sisnoun
A colloquial abbreviation of Sister.
Sisnoun
Six. See Sise.
Sisnoun
a female person who has the same parents as another person;
Sisnoun
a person's sister (often used as a form of address)
Sisinterjection
used to express disappointment, disgust, or contempt
