formation vs rigging

formation and rigging both are nouns.

Word	Noun	Adjective	Verb	Adverb
formation	Yes	No	No	No
rigging	Yes	No	No	No

As nouns, rigging is a hyponym of formation; that is, rigging is a word with a more specific, narrower meaning than formation:

Other hyponyms of formation include raster, rig, split.

formation (noun)	rigging (noun)
the act of fabricating something in a particular shape	gear consisting of ropes etc. supporting a ship's masts and sails
the act of forming or establishing something	formation of masts, spars, sails, etc., on a vessel
creation by mental activity
a particular spatial arrangement
an arrangement of people or things acting as a unit
(geology) the geological features of the earth
natural process that causes something to form