hammock vs formicary

hammock and formicary both are nouns.

Word	Noun	Adjective	Verb	Adverb
hammock	Yes	No	No	No
formicary	Yes	No	No	No

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

Other hyponyms of hammock include anthill, kopje, koppie, molehill.

hammock (noun)	formicary (noun)
a hanging bed of canvas or rope netting (usually suspended between two trees); swings easily	a mound of earth made by ants as they dig their nest
a small natural hill