Is “Fifty” a Scrabble word?
Yes
FIFTY
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 Fifty
/ˈfɪfti/
noun
1.A banknote or coin with a denomination of 50.
“Do you want small bills or are fifties OK?”
2.A batsman's score of at least 50 runs and less than 100 runs.
numeral
1.The cardinal number occurring after forty-nine and before fifty-one.
Synonyms: 50, Arabic numerals, L, Roman numerals