The best replacement for pepperoncini is jalapeno.

The best alternatives to pepperoncini are rated as following:
★★★★★  jalapeno
★★★★★  banana peppers
★★★  banana pepper
★  sport pepper
★  pepperoncini
★  pepperoni

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

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



Google Trends

Scale is based on the average worldwide traffic of pepperoncini in all years. Click on graph for more.
pepperoncini
jalapeno
banana peppers