fundamentaçãovsfundamentadoWhat's the difference?

Quick tell: fundamentação is a noun, fundamentado is an adjective, so they fill different roles in a sentence.

Which to use

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

#32,199
“fundamentação” frequency rank
#36,034
“fundamentado” frequency rank
68233
confusion score

Side-by-Side Comparison

Feature fundamentação fundamentado
Definition ato ou efeito de fundamentar que tem ou a que se deu fundamento

Letter map: fundamentação vs fundamentado

Shared letters muted; letters that set fundamentação and fundamentado apart highlighted. Shared run: 11. fundamentação runs 13 letters (CVCCVCVCCVCVV) against fundamentado's 12 (CVCCVCVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

13 ch
fundamentação
12 ch
fundamentado

Part-of-speech tell for fundamentação / fundamentado

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fundamentação is anoun and fundamentadoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 68233, derived from the frequency rank of both members and their visual similarity.

fundamentação is recorded at frequency rank #32,199, classified as anoun. fundamentado is at rank #36,034, tagged as anadj, pronounced /fũ.dɐ.mẽ.ˈta.du/.

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 68233, this pair ranks #4,344 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of fundamentação vs fundamentado

Shared letters: adefmnotu. Private to "fundamentação": ãç. Private to "fundamentado": -.

"fundamentação" · 13 letters · shape CVCCVCVCCVCVV  ·  "fundamentado" · 12 letters · shape CVCCVCVCCVCV

Known mistypes of this pair

  • fundamentado ← ffundamentado · fnudamentado · fudnamentado · funadmentado · fundaemntado · fundamenatdo · fundamenntado · fundamentaddo

Frequently Asked Questions

Can "fundamentação" and "fundamentado" be used interchangeably?
No - they are not even the same part of speech. "fundamentação" is a noun and "fundamentado" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fundamentação" vs "fundamentado" - which ranks higher?
"fundamentação" is the more common of the two: it sits at frequency rank #32,199 in our Portuguese list, against #36,034 for "fundamentado". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "fundamentação" and "fundamentado". Here's where to go from here.

  • Full dictionary entry for "fundamentação" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fundamentado" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #4,344 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fundamentação" and "fundamentado" also get mixed up with nearby pairs, the highest-scored neighbour is "fundamentado vs fundamento". 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 #4,344 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