logovsloudWhat's the difference?

Quick tell: logo is a adverb, loud is an adjective, so they fill different roles in a sentence.

Which to use

“logo” is an adverb and “loud” is an adjective - they look or sound alike but fill different roles in a sentence.

#318
“logo” frequency rank
#19,206
“loud” frequency rank
19524
confusion score

Side-by-Side Comparison

Feature logo loud
Definition imediatamente ou de imediato alto, elevado, intenso (em se falando de som)

Where the eye mixes logo and loud

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
logo
4 ch
loud

Why the eye confuses logo with loud

These two trip readers on the page rather than in the ear: logo is /ˈlo.gu/ while loud is /laʊd/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 19524, derived from the frequency rank of both members and their visual similarity.

logo is recorded at frequency rank #318, classified as anadv, pronounced /ˈlo.gu/. loud is at rank #19,206, tagged as anadj, pronounced /laʊd/.

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 19524, this pair ranks #51,168 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of logo vs loud

Shared letters: lo. Private to "logo": g. Private to "loud": du.

"logo" · 4 letters · shape CVCV  ·  "loud" · 4 letters · shape CVVC

Known mistypes of this pair

  • logolgoo · llogo · loggo · loog · olgo
  • loudlloud · lodu · loudd · luod · olud

Frequently Asked Questions

Is swapping "logo" for "loud" ever safe?
No - they are not even the same part of speech. "logo" is an adverb and "loud" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "logo" or "loud"?
"logo" is the more common of the two: it sits at frequency rank #318 in our Portuguese list, against #19,206 for "loud". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "logo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "loud" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,168 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "logo" and "loud" also get mixed up with nearby pairs, the highest-scored neighbour is "loch vs loud". 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 #51,168 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