sanierenvsSanierungConfusable pair

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

Which to use

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

#21,756
“sanieren” frequency rank
#6,347
“Sanierung” frequency rank
28103
confusion score

Side-by-Side Comparison

Feature sanieren Sanierung
Definition Gebäude durch Renovierung/Modernisierung in besseren Zustand bringen das Wiederherstellen eines geordneten Zustandes

Where the eye mixes sanieren and Sanierung

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. sanieren runs 8 letters (CVCVVCVC) against Sanierung's 9 (CVCVVCVCC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
sanieren
9 ch
Sanierung

Visual trap between sanieren and Sanierung

These two trip readers on the page rather than in the ear: sanieren is [zaˈniːʁən] while Sanierung is [zaˈniːʁʊŋ]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 28103, derived from the frequency rank of both members and their visual similarity.

sanieren is recorded at frequency rank #21,756, classified as averb, pronounced [zaˈniːʁən]. Sanierung is at rank #6,347, tagged as anoun, pronounced [zaˈniːʁʊŋ].

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 28103, this pair ranks #1,790,514 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sanieren vs Sanierung

Shared letters: aeinrs. Private to "sanieren": -. Private to "Sanierung": gu.

"sanieren" · 8 letters · shape CVCVVCVC  ·  "Sanierung" · 9 letters · shape CVCVVCVCC

Known mistypes of this pair

  • sanieren ← asnieren · saineren · saneiren · sanieern · sanierenn · sanierne · sanierren · sanireen
  • Sanierung ← asnierung · sainerung · saneirung · saniernug · sanierrung · sanierugn · sanierungg · sanierunng

Frequently Asked Questions

Is swapping "sanieren" for "Sanierung" ever safe?
No - they are not even the same part of speech. "sanieren" is a verb and "Sanierung" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sanieren" vs "Sanierung" - which ranks higher?
"Sanierung" is the more common of the two: it sits at frequency rank #6,347 in our German list, against #21,756 for "sanieren". 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 "sanieren" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sanierung" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,790,514 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "sanieren" and "Sanierung" also get mixed up with nearby pairs, the highest-scored neighbour is "sanieren vs signieren". 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 #1,790,514 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