checkup vs medical checkup

checkup and medical checkup both are nouns.

Word	Noun	Adjective	Verb	Adverb
checkup	Yes	No	No	No
medical checkup	Yes	No	No	No

As nouns, checkup and medical checkup are synonyms defined as:

checkup and medical checkup: a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person

Other synonyms of checkup include health check, medical, medical exam, medical examination.

checkup (noun)	medical checkup (noun)
a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person	a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person