cervical smear vs Papanicolaou smear

cervical smear and Papanicolaou smear both are nouns.

Word	Noun	Adjective	Verb	Adverb
cervical smear	Yes	No	No	No
Papanicolaou smear	Yes	No	No	No

As nouns, cervical smear and Papanicolaou smear are synonyms defined as:

cervical smear and Papanicolaou smear: a sample of secretions and superficial cells of the uterine cervix and uterus; examined with a microscope to detect any abnormal cells

Other synonyms of cervical smear include Pap smear.

cervical smear (noun)	Papanicolaou smear (noun)
a sample of secretions and superficial cells of the uterine cervix and uterus; examined with a microscope to detect any abnormal cells	a sample of secretions and superficial cells of the uterine cervix and uterus; examined with a microscope to detect any abnormal cells