The best replacement for principal is principle.

The best alternatives to principal are rated as following:
★★★★★  principle
★★★★  agent
★★★  interest
★★★  partner
★★  owner
★  agency
★  agency trade
★  principal
★  escrow
★  principle of a school
  director
  senior
  principle loan
  net as an agent
  income
  managing director
  interest calculator
  surety
  principle money
  agency trading
  soloist ballet
  interest payment
  senior which is higher
  president
  partner accounting firm
  assistant principal
  supplemental register
  standard payment
  vice president
  agency trades
  interest payments
  face value
  partner deloitte
  headmaster
  teacher

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

Other search terms related to principal and their ratings are:
★★★★★ interest
★★★ interest formula
★ andy gibb
★ poodles
pups
compound interest
You have in mind a companion for principal and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of principal in all years. Click on graph for more.
principal
principle
agent