principalvspríncipeTell them apart

Quick tell: principal is a adjective, príncipe is a noun, so they fill different roles in a sentence.

Which to use

“principal” is an adjective and “príncipe” is a noun - they look or sound alike but fill different roles in a sentence.

#510
“principal” frequency rank
#1,505
“príncipe” frequency rank
2015
confusion score

Side-by-Side Comparison

Feature principal príncipe
Definition o mais importante membro da família reinante

Letter map: principal vs príncipe

Shared letters muted; letters that set principal and príncipe apart highlighted. Shared run: 6. principal runs 9 letters (CCVCCVCVC) against príncipe's 8 (CCVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

9 ch
principal
8 ch
príncipe

Part-of-speech tell for principal / príncipe

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: principal is anadjective and príncipeanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 2015, derived from the frequency rank of both members and their visual similarity.

principal is recorded at frequency rank #510, classified as anadj. príncipe is at rank #1,505, tagged as anoun, pronounced /ˈpɾĩ.sɨ.pɨ/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 2015, this pair ranks #73,476 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of principal vs príncipe

Shared letters: cinpr. Private to "principal": al. Private to "príncipe": eí.

"principal" · 9 letters · shape CCVCCVCVC  ·  "príncipe" · 8 letters · shape CCVCCVCV

Known mistypes of this pair

  • principal ← pirncipal · pprincipal · pricnipal · princcipal · princiapl · principall · principla · princippal

Frequently Asked Questions

Is swapping "principal" for "príncipe" ever safe?
No - they are not even the same part of speech. "principal" is an adjective and "príncipe" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "principal" or "príncipe" show up more?
"principal" is the more common of the two: it sits at frequency rank #510 in our Portuguese list, against #1,505 for "príncipe". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "principal" and "príncipe".

  • Full dictionary entry for "principal" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "príncipe" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #73,476 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "principal" and "príncipe" also get mixed up with nearby pairs, the highest-scored neighbour is "principado vs principal". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #73,476 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list