The best replacement for chaff is chafe.

The best alternatives to chaff are rated as following:
★★★★★  chafe
★★★★★  wheat

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

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



Google Trends

Scale is based on the average worldwide traffic of chaff in all years. Click on graph for more.
chaff
chafe
wheat