The clue "Filthy buildup" last appeared in the USA Today crossword on July 10, 2017. The correct answer for this puzzle is "CRUD", a 4-letter word.
Solution CRUD is 4 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is CRUD with 4 letters, and the shortest is CRUD with 4 letters.
No, "FILTHY BUILDUP" hasn´t seen a spike right now. Solvers are most interested in: Heap praises on, Heap praise upon, Small, Perception and Rest.
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The solution is 4 letters long.