steel vs falchion

steel and falchion both are nouns.

Word	Noun	Adjective	Verb	Adverb
steel	Yes	No	Yes	No
falchion	Yes	No	No	No

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

steel: a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
falchion: a short broad slightly convex medieval sword with a sharp point

Other hyponyms of steel include backsword, broadsword, cavalry sword, saber, sabre, cutlas, cutlass, fencing sword, rapier, tuck.

steel (noun)	falchion (noun)
knife sharpener consisting of a ridged steel rod	a short broad slightly convex medieval sword with a sharp point
a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range

steel (verb)	falchion (verb)
cover, plate, or edge with steel
get ready for something difficult or unpleasant