The best replacement for chidori is raikiri.

The best alternatives to chidori are rated as following:
★★★★★  raikiri
★★★★  lightning blade
★★★★  rasengan
★★★  rasengan wallpaper
★★  rasengan gif
★★  rasen shuriken
★★  rasengan which one is stronger
★  lightning cutter
★  chidori
★  rasengan episode
★  naruto rasengan
★  kamehameha
★  rasengan game
★  rasengan shippuden
★  rasengan real life
★  rasengan video
★  rasengan youtube
  tessa
  rasengan stronger
  sharingan

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

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



Google Trends

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chidori
raikiri
lightning blade