brachium vs ramification

brachium and ramification both are nouns.

Word	Noun	Adjective	Verb	Adverb
brachium	Yes	No	No	No
ramification	Yes	No	No	No

As nouns, ramification is a hypernym of brachium; that is, ramification is a word with a broader meaning than brachium:

Other hypernyms of brachium include branch, leg.

brachium (noun)	ramification (noun)
(biology) a branching or armlike part of an animal	the act of branching out or dividing into branches
	an arrangement of branching parts
	a development that complicates a situation
	a part of a forked or branching shape