arovsaromaWhich spelling fits?

Which to use

“aro” and “aroma” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#22,868
“aro” frequency rank
#15,018
“aroma” frequency rank
37886
confusion score

Side-by-Side Comparison

Feature aro aroma
Definition caixilho de madeira para os vãos das portas e janelas odor agradável

Where the eye mixes aro and aroma

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
aro
5 ch
aroma

Look-alike desk: aro vs aroma

A purely visual mix-up. aro (/ˈa.ɾu/) and aroma (/ɐ.ˈɾo.mɐ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “aro” sits inside “aroma”. Our composite confusion score for this pair is 37886, derived from the frequency rank of both members and their visual similarity.

aro is recorded at frequency rank #22,868, classified as anoun, pronounced /ˈa.ɾu/. aroma is at rank #15,018, tagged as anoun, pronounced /ɐ.ˈɾo.mɐ/.

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 37886, this pair ranks #28,669 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aro vs aroma

Shared letters: aor. Private to "aro": -. Private to "aroma": m.

"aro" · 3 letters · shape VCV  ·  "aroma" · 5 letters · shape VCVCV

Known mistypes of this pair

  • aromaaorma · armoa · aroam · aromma · arroma · raoma

Frequently Asked Questions

Is swapping "aro" for "aroma" ever safe?
No. They are said differently (/ˈa.ɾu/ versus /ɐ.ˈɾo.mɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "aro" or "aroma"?
"aroma" is the more common of the two: it sits at frequency rank #15,018 in our Portuguese list, against #22,868 for "aro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "aro" and "aroma" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aroma" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,669 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aro" and "aroma" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs aro". 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 #28,669 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