Fill-In is a 7 letter English word. It's valid Scrabble word worth 7 points. It's valid Words with friends word worth 9 points.
You can make 37 anagrams from letters in fill-in (-fiilln).
First recorded in 1915-20; noun use of verb phrase fill in
The largest number of fill-in wefts occurs roughly at a point about a third up from the end.
He guested as a lay preacher on the Hour of Power and dabbled in talk radio as a fill-in for Boortz.