The best replacement for nappy is diaper.

The best alternatives to nappy are rated as following:
★★★★★  diaper
★★  nappy
★  kinky
★  curly

Your alternative for nappy is not listed? Suggest!
Speaking about nappy, one probably shouldn't forget about waking baby.

Other search terms related to nappy and their ratings are:
★★★★★ waking baby
You have in mind a companion for nappy and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of nappy in all years. Click on graph for more.
nappy
diaper
nappy