Tufa is a 4 letter English word. It's valid Scrabble word worth 7 points. It's valid Words with friends word worth 8 points.
You can make 23 anagrams from letters in tufa (aftu).
1760-70; Italian tufo Latin tōfus
The Italians call it tufa; and it is in general use for building.
Most of them are of tufa covered with stucco; the rest are of fine-grained limestone.
The seats were of masonry capped with slabs of tufa about seven inches thick.
tufa is found all over the Campagna, and is of volcanic origin.
The material is generally lava, but tufa and limestone are also found.
Most of the churches and palaces and houses of Orvieto were also built of tufa.
The material was in most cases gray, occasionally yellow, tufa.
The Doric columns were of tufa, coated with fine white stucco.
The colonnade about the court was built of tufa, and coated with white stucco.
In style and construction this colonnade belongs to the tufa Period (p. 40).