The 'back' group
These nouns refer to an area or part of a wide range of things. The area or part is in a particular position.
back base bottom depths exterior flip side front inside interior middle nearside offside outside rear reverse side top underneath
On the back, print your name, age, address and phone number.
Only the original walls of the house remain. The inside was gutted and rebuilt.
I kept riding the slide. I'd climb up to the top and coast down, sometimes sitting, sometimes on my back, sometimes on my belly.