This is the 805th most frequent Hungarian word.
számon
"Számon" means "on a number" or "in account" depending on context.
Here 'számon' is used in the expression 'számon kérni,' meaning to call someone to account or question someone about something.
A tanár engem is számon kérte a házi feladat miatt.
The teacher also called me to account for the homework.
In this case, 'számon' is part of the phrase 'számon tartani,' which means to keep track of or keep in mind.
A fontos embereket számon tartjuk.
We keep important people in mind.
Here, 'számon' is used in a practical context indicating that something is demanded or inquired about to clarify or resolve a matter.