RadarvsrarWhich spelling fits?

Quick tell: Radar is a noun, rar is an adjective, so they fill different roles in a sentence.

Which to use

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

#11,735
“Radar” frequency rank
#17,390
“rar” frequency rank
29125
confusion score

Side-by-Side Comparison

Feature Radar rar
Definition ein Verfahren zur Ortung, das elektromagnetische Wellen gebündelt als Primärsignal nutzt, um danach von Objekten reflektierte Echos als Sekundärsignal zu empfangen und auszuwerten nur in geringer Anzahl vorhanden; nur in geringer Häufigkeit vorkommend

Where the eye mixes Radar and rar

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

5 ch
Radar
3 ch
rar

Look-alike desk: Radar vs rar

These two trip readers on the page rather than in the ear: Radar is [ʁaˈdaːɐ̯] while rar is [ʁaːɐ̯]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 29125, derived from the frequency rank of both members and their visual similarity.

Radar is recorded at frequency rank #11,735, classified as anoun, pronounced [ʁaˈdaːɐ̯]. rar is at rank #17,390, tagged as anadj, pronounced [ʁaːɐ̯].

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 29125, this pair ranks #1,772,558 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Radar vs rar

Shared letters: ar. Private to "Radar": d. Private to "rar": -.

"Radar" · 5 letters · shape CVCVC  ·  "rar" · 3 letters · shape CVC

Known mistypes of this pair

  • Radarardar · raadr · radarr · raddar · radra · rdaar · rradar

Frequently Asked Questions

Do "Radar" and "rar" mean the same thing in a sentence?
No - they are not even the same part of speech. "Radar" is a noun and "rar" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Radar" vs "rar" - which ranks higher?
"Radar" is the more common of the two: it sits at frequency rank #11,735 in our German list, against #17,390 for "rar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Radar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,772,558 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Radar" and "rar" also get mixed up with nearby pairs, the highest-scored neighbour is "rar vs RUB". 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 #1,772,558 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list