aduties 

adult duties

when you get older son you are going to have aduties.

aduties by princeceleb August 22, 2022

Adulties 

Diapers for adults.

"Did you hear about Fred? He has to wear adulties to bed!"

"We have to go to the store to pick up some adulties for my dad."

Adulties by Lasagna_Cat November 11, 2016

adultiest 

Good at being an adult

I am the adultiest adult.

adultiest by Dhancbsusnevshwb May 20, 2017