English Grammar Basic Similar words

The difference between “principal” and “principle”

The difference between“Principal“y“Beginning“

“Principal“y“beginning“they are easy to confuse because they sound identical (that is, they are perfect homonyms). However, their meanings are very different.

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  • “Principal“means main. For example:
    • t is my principal concern. ✔️
  • “Principal“is the head of an institution (especially a school). For example:
    • Go and stand outside the principal’s office! ✔️
  • “Principle“is a general law or a code of conduct. For example:
    • Apply the guiding principle at all times. ✔️
  • More about“Principal“and“Principle“


    “Principal“is usually an adjective meaning“principal“o“clave“. For example:

    • The principal objective is to make a profit. ✔️
    • The inspector highlighted my principal concern in his opening sentence. ✔️

    “Principal“can also be a noun meaning“boss“o“boss“. It is commonly used to mean“director“. For example:

    • Here comes the principal. ✔️
      (principal = head teacher)
    • The allegations against the former principal were that he not only allowed the cage fights to take place, but he also encouraged the participants. ✔️

    Principal and Money

    Cuando se hace referencia a un préstamo, el“principal“(o“main sum“) is the original amount of a debt or investment on which interest is calculated. For example:

    • With an interest-only mortgage, the principal sum is repaid at the end. ✔️


    “Beginning“It is a noun. It has a variety of meanings, including rule, belief, principle, and theory. Usually,“beginning“offers the idea of“ley general“o“code of conduct“. For example:

    • That is a great idea in principle. ✔️
    • He applied the Aufbau principle to determine the electron configuration of the silicon. ✔️

    “Beginning“often appears in the plural form“beginning“:

    • No! It is against my principles! ✔️
    • Those are my principles. If you don’t like them, I have others. ✔️ (Comedian Groucho Marx)
    • You could strengthen your argument by appealing to more general principles. ✔️

    Common Terms with Principal and Principle

    Estos son algunos términos comunes con“principal“:

    • principal agent
    • principal amount
    • main contractor
    • principal designer
    • main dancer
    • main focus
    • main investor

    Here are some common terms“beginning“:

    • Archimedes principle
    • ethical principle
    • first principle
    • fundamental principle
    • guiding principle
    • proximity principle

    Principal = A1

    Si imaginas que la“l“at the end of the main is a“1“, then the last two letters become“A1“. Let this remind you that“principal“means“the most important“o“principal“.

    • My principal concern is the safety of the dove. ✔️
      (“my A1 concern,“i.e., my main concern)
    • You can explain your absence to the principal.
      (“to the A1,“i.e., to the most important person in the department) ✔️

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