The best replacement for spades is hearts.

The best alternatives to spades are rated as following:
★★★★★  hearts
★★★★  banana plugs
★★★★  clubs
★★★  bananas
★★  bridge
★  bare wire
★  cristal
★  hearts higher
★  dom perignon
★  diamonds
★  shovels
  ace of hearts
  queen of hearts
  nil
  guncraft
  euchre

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

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



Google Trends

Scale is based on the average worldwide traffic of spades in all years. Click on graph for more.
spades
hearts
banana plugs