Is “Stammer” a Scrabble word?
Yes
STAMMER
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 Stammer
/ˈstæmə/
noun
1.The involuntary repetition of a sound in speech.
verb
1.To keep repeating a particular sound involuntarily during speech.
2.To utter with a stammer, or with timid hesitancy.
“He blushed, and stammered a few words of apology.”
Synonyms: stutter