logical argument vs argumentation

logical argument and argumentation both are nouns.

Word	Noun	Adjective	Verb	Adverb
logical argument	Yes	No	No	No
argumentation	Yes	No	No	No

As nouns, logical argument and argumentation are synonyms defined as:

logical argument and argumentation: a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning

Other synonyms of logical argument include argument, line, line of reasoning.

logical argument (noun)	argumentation (noun)
a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning	a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning
	a discussion in which reasons are advanced for and against some proposition or proposal