Scrabble word: SIS
In which Scrabble dictionary does SIS exist?
Definitions of SIS in dictionaries:
- noun - a female person who has the same parents as another person
- noun - a tetravalent nonmetallic element
- noun - a complete metric system of units of measurement for scientists
- noun - the syllable naming the seventh (subtonic) note of any musical scale in solmization
- noun - sister