Feedback
check in
Register on arriving at a hotel or at the airport
check out
Pay the bill when leaving a hotel
Die
Stop paying attention
Get information about or inspect something to see if it's satisfactory
check off
Mark something on a list as done
check over
Check something very carefully
check by
Visit a place to check something
check out of
Settle up and pay before leaving a hotel
check into
Register on arriving at a hotel or at the airport
check through
To permit someone to continue onward, e.g. through a security checkpoint, after verifying their identity, tickets, etc.
To inspect something, often to try to find errors, problems, etc.
check up
To verify through brief investigation or examination; to revisit for assurance that there are no problems.