sparker vs meshwork

sparker and meshwork both are nouns.

Word	Noun	Adjective	Verb	Adverb
sparker	Yes	No	No	No
meshwork	Yes	No	No	No

As nouns, meshwork is a hypernym of sparker; that is, meshwork is a word with a broader meaning than sparker:

sparker: a wire net to stop sparks from an open fireplace or smokestack
meshwork: an open fabric of string or rope or wire woven together at regular intervals

Other hypernyms of sparker include mesh, meshing, net, network.

sparker (noun)	meshwork (noun)
a wire net to stop sparks from an open fireplace or smokestack	an open fabric of string or rope or wire woven together at regular intervals