confinement vs parturiency

confinement and parturiency both are nouns.

Word	Noun	Adjective	Verb	Adverb
confinement	Yes	No	No	No
parturiency	Yes	No	No	No

As nouns, confinement and parturiency are synonyms defined as:

confinement and parturiency: concluding state of pregnancy; from the onset of contractions to the birth of a child

Other synonyms of confinement include childbed, labor, labour, lying-in, travail.

confinement (noun)	parturiency (noun)
the act of restraining of a person's liberty by confining them	concluding state of pregnancy; from the onset of contractions to the birth of a child
the act of keeping something within specified bounds (by force if necessary)
the state of being confined
concluding state of pregnancy; from the onset of contractions to the birth of a child