SumpfvssupiWhich spelling fits?

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

Which to use

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

#12,800
“Sumpf” frequency rank
#36,051
“supi” frequency rank
48851
confusion score

Side-by-Side Comparison

Feature Sumpf supi
Definition flache, stehende Wasserfläche mit Vegetation großartig, hervorragend, besonders gut

Where the eye mixes Sumpf and supi

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Sumpf runs 5 letters (CVCCC) against supi's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Sumpf
4 ch
supi

Why the eye confuses Sumpf with supi

These two trip readers on the page rather than in the ear: Sumpf is [zʊmp͡f] while supi is [ˈzuːpi]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 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 48851, derived from the frequency rank of both members and their visual similarity.

Sumpf is recorded at frequency rank #12,800, classified as anoun, pronounced [zʊmp͡f]. supi is at rank #36,051, tagged as anadj, pronounced [ˈzuːpi].

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 48851, this pair ranks #1,233,222 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sumpf vs supi

Shared letters: psu. Private to "Sumpf": fm. Private to "supi": i.

"Sumpf" · 5 letters · shape CVCCC  ·  "supi" · 4 letters · shape CVCV

Known mistypes of this pair

  • Sumpf ← smupf · ssumpf · sumfp · summpf · sumpff · sumppf · supmf · usmpf
  • supi ← spui · ssupi · suip · suppi · uspi

Frequently Asked Questions

Is swapping "Sumpf" for "supi" ever safe?
No - they are not even the same part of speech. "Sumpf" is a noun and "supi" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Sumpf" or "supi" show up more?
"Sumpf" is the more common of the two: it sits at frequency rank #12,800 in our German list, against #36,051 for "supi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Sumpf" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "supi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,233,222 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Sumpf" and "supi" also get mixed up with nearby pairs, the highest-scored neighbour is "supi vs SUVs". 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 #1,233,222 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