hornwork vs half-bastion

hornwork and half-bastion both are nouns.

Word	Noun	Adjective	Verb	Adverb
hornwork	Yes	No	No	No
half-bastion	Yes	No	No	No

hornwork (noun)	half-bastion (noun)
an element of the trace italienne system of fortification that consists of a pair of demi-bastions.	in military architecture, a bastion constructed of one face, and one flank.