Looking on the internet deeply has found these results:

carefree chilhood is the most popular phrase on the web.

careless chilhood 12 results on the web	carefree chilhood 11,430 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
prone, careless. Whoever shredded these clothes was very careless. A careless cut can shatter your treasure. Maybe he's getting careless, panicking. Something blinded your judgment... made you careless. Careless with Tina, careless with me. The hostage died because he was too careless. Makes people seem uncoordinated, accident	He was elated, carefree, alive. They are exposed to the heaviest physical burdens from an early age, thus being robbed of a carefree childhood. I was so carefree as a girl. We were young and carefree, in love with love. For one night I will enjoy the same freedom as the most carefree peasant. Carefree, Arizona, where we are carefree. Young Elisabetta, in these opulent rooms, had a happy and carefree childhood. The new normal was supposed to be a carefree senior year.

careless chilhood

12 results on the web

carefree chilhood

11,430 results on the web

More popular!

He was elated, carefree, alive.
They are exposed to the heaviest physical burdens from an early age, thus being robbed of a carefree childhood.
I was so carefree as a girl.
We were young and carefree, in love with love.
For one night I will enjoy the same freedom as the most carefree peasant.
Carefree, Arizona, where we are carefree.
Young Elisabetta, in these opulent rooms, had a happy and carefree childhood.
The new normal was supposed to be a carefree senior year.