radarvsralarTell them apart

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

Which to use

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

#7,454
“radar” frequency rank
#41,206
“ralar” frequency rank
48660
confusion score

Side-by-Side Comparison

Feature radar ralar
Definition dispositivo que permite detectar objetos a longas distâncias fazer passar pelo ralador; triturar; esmagar; moer

Where the eye mixes radar and ralar

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
radar
5 ch
ralar

Visual trap between radar and ralar

These two trip readers on the page rather than in the ear: radar is /Ra.ˈdaɾ/ while ralar is /Rɐ.ˈlaɾ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “radar” becomes l in “ralar”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 48660, derived from the frequency rank of both members and their visual similarity.

radar is recorded at frequency rank #7,454, classified as anoun, pronounced /Ra.ˈdaɾ/. ralar is at rank #41,206, tagged as averb, pronounced /Rɐ.ˈlaɾ/.

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 48660, this pair ranks #16,504 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of radar vs ralar

Shared letters: ar. Private to "radar": d. Private to "ralar": l.

"radar" · 5 letters · shape CVCVC  ·  "ralar" · 5 letters · shape CVCVC

Known mistypes of this pair

  • radarardar · raadr · radarr · raddar · radra · rdaar · rradar
  • ralararlar · raalr · ralarr · rallar · ralra · rlaar · rralar

Frequently Asked Questions

Is swapping "radar" for "ralar" ever safe?
No - they are not even the same part of speech. "radar" is a noun and "ralar" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "radar" or "ralar" show up more?
"radar" is the more common of the two: it sits at frequency rank #7,454 in our Portuguese list, against #41,206 for "ralar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "radar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ralar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #16,504 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "radar" and "ralar" also get mixed up with nearby pairs, the highest-scored neighbour is "ralar vs rimar". 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 #16,504 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