As nouns the difference between checking and checkup
is that checking is (ice hockey) the act of physically keeping an opposing player in check while checkup is a routine visit to the doctor, dentist, or the like.
As a verb checking
is .
checking
English
Verb
(head)
Noun
(
en noun)
(ice hockey) The act of physically keeping an opposing player in check.
(informal) A checking account.
- Withdraw $5000 from checking and put it into savings.
checkup
English
Alternative forms
* check-up
Noun
(
en noun)
A routine visit to the doctor, dentist, or the like.
- The appointment was just for a checkup .
A routine inspection.
- I took my car in for an annual checkup .