fretwork vs latticework

fretwork and latticework both are nouns.

Word	Noun	Adjective	Verb	Adverb
fretwork	Yes	No	No	No
latticework	Yes	No	No	No

As nouns, fretwork and latticework are synonyms defined as:

fretwork and latticework: framework consisting of an ornamental design made of strips of wood or metal

Other synonyms of fretwork include lattice.

fretwork (noun)	latticework (noun)
framework consisting of an ornamental design made of strips of wood or metal	framework consisting of an ornamental design made of strips of wood or metal