Is “Tachygraphy” a Scrabble word?
Yes
TACHYGRAPHY
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 Tachygraphy
/tæˈkɪɡɹəfi/
noun
1.The art and practice of rapid writing.
2.Stenography or shorthand as done in ancient and medieval times.