breakable vs article

breakable and article both are nouns.

Word	Noun	Adjective	Verb	Adverb
breakable	Yes	Yes	No	No
article	Yes	No	Yes	No

As nouns, article is a hypernym of breakable; that is, article is a word with a broader meaning than breakable:

breakable (noun)	article (noun)
an article that is fragile and easily broken	one of a class of artifacts
	nonfictional prose forming an independent part of a publication
	(grammar) a determiner that may indicate the specificity of reference of a noun phrase
	a separate section of a legal document (as a statute or contract or will)

breakable (adjective)	article (adjective)
capable of being broken or damaged

breakable (verb)	article (verb)
	bind by a contract; especially for a training period