fasevsfazerWhich spelling fits?

Quick tell: fase is a noun, fazer is a verb, so they fill different roles in a sentence.

Which to use

“fase” is a noun and “fazer” is a verb - they look or sound alike but fill different roles in a sentence.

#868
“fase” frequency rank
#64
“fazer” frequency rank
932
confusion score

Side-by-Side Comparison

Feature fase fazer
Definition cada uma das aparências que a Lua nos apresenta dar existência ou forma a

Letter map: fase vs fazer

Shared letters muted; letters that set fase and fazer apart highlighted. Shared run: 3. fase runs 4 letters (CVCV) against fazer's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
fase
5 ch
fazer

Part-of-speech tell for fase / fazer

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fase is anoun and fazeraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 932, derived from the frequency rank of both members and their visual similarity.

fase is recorded at frequency rank #868, classified as anoun, pronounced /ˈfa.zɨ/. fazer is at rank #64, tagged as averb.

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 932, this pair ranks #74,696 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fase vs fazer

Shared letters: aef. Private to "fase": s. Private to "fazer": rz.

"fase" · 4 letters · shape CVCV  ·  "fazer" · 5 letters · shape CVCVC

Known mistypes of this pair

  • fase ← afse · faes · fasse · ffase · fsae
  • fazer ← afzer · faezr · fazerr · fazre · fazzer · ffazer · fzaer

Frequently Asked Questions

Can "fase" and "fazer" be used interchangeably?
No - they are not even the same part of speech. "fase" is a noun and "fazer" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "fase" or "fazer" show up more?
"fazer" is the more common of the two: it sits at frequency rank #64 in our Portuguese list, against #868 for "fase". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "fase" vs "fazer" is on the table, pick a follow-up below.

  • Full dictionary entry for "fase" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fazer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #74,696 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fase" and "fazer" also get mixed up with nearby pairs, the highest-scored neighbour is "fase vs fava". 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 #74,696 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