ribbon vs blade

ribbon and blade both are nouns.

Word	Noun	Adjective	Verb	Adverb
ribbon	Yes	No	No	No
blade	Yes	No	No	No

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

ribbon (noun)	blade (noun)
notion consisting of a narrow strip of fine material used for trimming	the flat part of a tool or weapon that (usually) has a cutting edge
a long strip of inked material for making characters on paper with a typewriter	a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
an award for winning a championship or commemorating some other event	flat surface that rotates and pushes against air or water
any long object resembling a thin line	the part of the skate that slides on the ice
	a broad flat body part (as of the shoulder or tongue)
	a cut of beef from the shoulder blade
	something long and thin resembling a blade of grass
	a dashing young man
	especially a leaf of grass or the broad portion of a leaf as distinct from the petiole