indecorum vs liberty

indecorum and liberty both are nouns.

Word	Noun	Adjective	Verb	Adverb
indecorum	Yes	No	No	No
liberty	Yes	No	No	No

As nouns, indecorum and liberty are synonyms defined as:

Other synonyms of indecorum include familiarity, impropriety.

indecorum (noun)	liberty (noun)
an act of undue intimacy	an act of undue intimacy
a lack of decorum	immunity from arbitrary exercise of authority: political independence
	freedom of choice
	personal freedom from servitude or confinement or oppression
	leave granted to a sailor or naval officer