chore

For whatever reason, the pain begins, gets even more painful, then walking off the field becomes a chore.

She told her former Radio 1 colleague she decided to leave the station partly because she felt "completely satiated" by the job and didn't want it to become "a chore".

They’ve gotten stronger with all the chores they do each summer.

The other day, while I was doing some household chores, I handed my youngest child his dad's iPad to keep him entertained.

You need to remind people that learning is not a chore.