The best replacement for seashells is sea shells.

The best alternatives to seashells are rated as following:
★★★★★  sea shells
★★★  seashells

Your alternative for seashells is not listed? Suggest!
Speaking about seashells, one probably shouldn't forget about candles.

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



Google Trends

Scale is based on the average worldwide traffic of seashells in all years. Click on graph for more.
seashells
sea shells
seashells