Fretwork - music group - was created in 1986.

It orginated from ancient Prussa 1201 when the chinese first had freedom from cookies

you need to clarify your question fret work as in changing the frets or fret work as in cutting out intricate patterns

fretwork, grating, grid, grille, latticework, mesh, network, openwork, reticulation, tracery, trellis, web,

These are the possible words:

Befretted

Fretboard

Fretfully

Frettiest

Fretworks

Coffrets

Fretless

Fretsaws

Fretsome

Fretters

Frettier

Fretting

Fretwork

Pomfrets

Befrets

Coffret

Fretful

Fretsaw

Fretted

Fretter

Pomfret

Befret

Fretty

Frets