monovsMoonWhat's the difference?

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

Which to use

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

#23,739
“mono” frequency rank
#9,893
“Moon” frequency rank
33632
confusion score

Side-by-Side Comparison

Feature mono Moon
Definition relativo a macaco: «...flor das raças monas.» Castilho. Lua

Letter map: mono vs Moon

Shared letters muted; letters that set mono and Moon apart highlighted. Shared run: 3.

4 ch
mono
4 ch
Moon

Role in the sentence - mono and Moon

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mono is anadjective and Moonanoun. On the page they differ only by swapping two adjacent letters (no ↔ on) - a transposition the eye reads straight past. Our composite confusion score for this pair is 33632, derived from the frequency rank of both members and their visual similarity.

mono is recorded at frequency rank #23,739, classified as anadj. Moon is at rank #9,893, tagged as anoun, pronounced /mu:n/ ouvir^(fonte ?).

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 33632, this pair ranks #33,822 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mono vs Moon

Shared letters: mno. Private to "mono": -. Private to "Moon": -.

"mono" · 4 letters · shape CVCV  ·  "Moon" · 4 letters · shape CVVC

Known mistypes of this pair

  • monommono · mnoo · monno · omno
  • Moonmmoon · mon · moonn · omon

Frequently Asked Questions

Is swapping "mono" for "Moon" ever safe?
No - they are not even the same part of speech. "mono" is an adjective and "Moon" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "mono" or "Moon" show up more?
"Moon" is the more common of the two: it sits at frequency rank #9,893 in our Portuguese list, against #23,739 for "mono". 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 "mono" and "Moon".

  • Full dictionary entry for "mono" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Moon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,822 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mono" and "Moon" also get mixed up with nearby pairs, the highest-scored neighbour is "mono vs muso". 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 #33,822 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