meshwork vs safety net

meshwork and safety net both are nouns.

Word	Noun	Adjective	Verb	Adverb
meshwork	Yes	No	No	No
safety net	Yes	No	No	No

As nouns, safety net is a hyponym of meshwork; that is, safety net is a word with a more specific, narrower meaning than meshwork:

meshwork: an open fabric of string or rope or wire woven together at regular intervals
safety net: a large strong net to catch circus acrobats who fall or jump from a trapeze

meshwork (noun)	safety net (noun)
an open fabric of string or rope or wire woven together at regular intervals	a large strong net to catch circus acrobats who fall or jump from a trapeze
	a guarantee of professional or financial security