RechteckvsrechteckigWhat's the difference?

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

Which to use

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

#32,735
“Rechteck” frequency rank
#40,784
“rechteckig” frequency rank
73519
confusion score

Side-by-Side Comparison

Feature Rechteck rechteckig
Definition geometrische Figur mit vier Seiten, bei der die gegenüberliegenden Seiten parallel zueinander verlaufen und benachbarte Seiten rechtwinklig aufeinanderstehen (also ein Parallelogramm mit 4 rechten Winkeln) die Form eines Rechtecks habend

Where the eye mixes Rechteck and rechteckig

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. Rechteck runs 8 letters (CVCCCVCC) against rechteckig's 10 (CVCCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
Rechteck
10 ch
rechteckig

Visual trap between Rechteck and rechteckig

These two trip readers on the page rather than in the ear: Rechteck is [ˈʁɛçtˌʔɛk] while rechteckig is [ˈʁɛçtʔɛkɪç]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “Rechteck” sits inside “rechteckig”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 73519, derived from the frequency rank of both members and their visual similarity.

Rechteck is recorded at frequency rank #32,735, classified as anoun, pronounced [ˈʁɛçtˌʔɛk]. rechteckig is at rank #40,784, tagged as anadj, pronounced [ˈʁɛçtʔɛkɪç].

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 73519, this pair ranks #358,226 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Rechteck vs rechteckig

Shared letters: cehkrt. Private to "Rechteck": -. Private to "rechteckig": gi.

"Rechteck" · 8 letters · shape CVCCCVCC  ·  "rechteckig" · 10 letters · shape CVCCCVCCVC

Known mistypes of this pair

  • Rechteck ← erchteck · rcehteck · recchteck · rechetck · rechhteck · rechtcek · rechtecck · rechteckk
  • rechteckig ← erchteckig · rcehteckig · recchteckig · rechetckig · rechhteckig · rechtcekig · rechtecckig · rechtecikg

Frequently Asked Questions

Is swapping "Rechteck" for "rechteckig" ever safe?
No - they are not even the same part of speech. "Rechteck" is a noun and "rechteckig" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Rechteck" or "rechteckig"?
"Rechteck" is the more common of the two: it sits at frequency rank #32,735 in our German list, against #40,784 for "rechteckig". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Rechteck" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rechteckig" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #358,226 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Rechteck" and "rechteckig" also get mixed up with nearby pairs, the highest-scored neighbour is "rechteckig vs rechteckige". 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 #358,226 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