The best replacement for lightening is lightning.

The best alternatives to lightening are rated as following:
★★★★★  lightning
★★  dropping
★★  engagement
★★  baby dropping
★  bleaching
  skin whitening

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

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



Google Trends

Scale is based on the average worldwide traffic of lightening in all years. Click on graph for more.
lightening
lightning
dropping