The best replacement for resistor is capacitor.

The best alternatives to resistor are rated as following:
★★★★★  capacitor
★★★★  diode
★★★  non resistor spark plugs
★★  inductor
★★  non resistor plugs
★★  resistor
★★  voltage regulator
★★  fuse
★★  non resistor spark plug
★  blower motor
★  transistor
★  semiconductor
★  potentiometer
★  across a resistor
★  regulator
★  non resistor
★  light bulb
★  non resistor plug
★  standard spark plug
★  rheostat
★  47
★  choke
★  conductor
  voltage
  carbon film resistor
  carbon resistor
  ldr
  suppressor spark plug
  carbon film
  heater fan resistor
  diode relay
  standard spark plugs
  insulator

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

Other search terms related to resistor and their ratings are:
★★★★★ led
★★ diode
★★ led in series
★ capacitor
★ fuse
★ capacitor in series
relay
You have in mind a companion for resistor and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of resistor in all years. Click on graph for more.
resistor
capacitor
diode