POSTFIX
Here are the details, including the meaning, point value, and more about the Scrabble word POSTFIX. Below
postfix is worth 21 points in the game of Scrabble
Definitions for the word, postfix
(n.) A letter, syllable, or word, added to the end of another word; a suffix.
(v. t.) To annex; specifically (Gram.), to add or annex, as a letter, syllable, or word, to the end of another or principal word; to suffix.