incarceration vs immurement

incarceration and immurement both are nouns.

Word	Noun	Adjective	Verb	Adverb
incarceration	Yes	No	No	No
immurement	Yes	No	No	No

As nouns, incarceration and immurement are synonyms defined as:

Other synonyms of incarceration include captivity, imprisonment.

incarceration (noun)	immurement (noun)
the state of being imprisoned	the state of being imprisoned