complication vs ramification

complication and ramification both are nouns.

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

As nouns, complication and ramification are synonyms defined as:

complication and ramification: a development that complicates a situation

complication (noun)	ramification (noun)
the act or process of complicating	the act of branching out or dividing into branches
puzzling complexity	an arrangement of branching parts
a development that complicates a situation	a development that complicates a situation
a situation or condition that is complex or confused	a part of a forked or branching shape
any disease or disorder that occurs during the course of (or because of) another disease