Is “Sysop” a Scrabble word?
Yes
SYSOP
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Sysop
/ˈsɪsˌɒp/
noun
1.A system operator, especially someone who administers an online communications system or bulletin board.
2.(WMF jargon) An administrator on a wiki.
Synonyms: admin, sysadmin
verb
1.To work as a sysop.
2.To give someone sysop privileges.