grillwork vs grille

grillwork and grille both are nouns.

Word	Noun	Adjective	Verb	Adverb
grillwork	Yes	No	No	No
grille	Yes	No	No	No

As nouns, grillwork and grille are synonyms defined as:

grillwork and grille: a framework of metal bars used as a partition or a grate

Other synonyms of grillwork include grill.

grillwork (noun)	grille (noun)
mesh netting made of wires	a framework of metal bars used as a partition or a grate
a framework of metal bars used as a partition or a grate	grating that admits cooling air to car's radiator
	small opening (like a window in a door) through which business can be transacted