indecision vs indecisiveness

indecision and indecisiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
indecision	Yes	No	No	No
indecisiveness	Yes	No	No	No

As nouns, indecision and indecisiveness are synonyms defined as:

indecision and indecisiveness: the trait of irresolution; a lack of firmness of character or purpose

As nouns, indecision and indecisiveness are synonyms defined as:

indecision and indecisiveness: doubt concerning two or more possible alternatives or courses of action

Other synonyms of indecision include irresolution.

indecision (noun)	indecisiveness (noun)
the trait of irresolution; a lack of firmness of character or purpose	the trait of irresolution; a lack of firmness of character or purpose
doubt concerning two or more possible alternatives or courses of action	doubt concerning two or more possible alternatives or courses of action