Mosaicist is a 9 letter English word. It's valid Words with friends word worth 15 points.
You can make 358 anagrams from letters in mosaicist (aciimosst).
First recorded in 1840-50; mosaic + -ist
The painter, the mosaicist, and the designer for intarsia are confused in a similar manner.
Now observe, the old Byzantine mosaicist begins his work at enormous disadvantage.
The hard materials of the mosaicist were also made to render emotion.
The whole of these mosaics have been restored by a Roman mosaicist, Signor Bornia.