Sis
Here is the meaning and Word Scramble Game information for Sis
SIS3 is a valid Scrabble Word in NWL, formerly TWL (USA, Thailand, Canada)
SIS3 is a valid Scrabble Word in CSW, formerly SOWPODS (Other Countries)
SIS3 is a valid word in WWF
(n.) A colloquial abbreviation of Sister.
(n.) Six. See Sise.