Is “Suffix” a Scrabble word?
Yes
SUFFIX
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 Suffix
noun
1.(grammar) A morpheme added at the end of a word to modify the word's meaning.
“The suffix "-able" changes "sing" into "singable".”
2.A subscript.
3.A final segment of a string of characters.
“The string "abra" is both a prefix and a suffix of the string "abracadabra".”
Synonyms: affix
verb
1.To append (something) to the end of something else.