sauervsSaunaWhat's the difference?

Quick tell: sauer is a adjective, Sauna is a noun, so they fill different roles in a sentence.

Which to use

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

#3,769
“sauer” frequency rank
#7,811
“Sauna” frequency rank
11580
confusion score

Side-by-Side Comparison

Feature sauer Sauna
Definition nach der grundlegende Geschmacksrichtung, die unreifem Obst, gestockter Milch, unter Luftabschluss vergorenem Kohl und durch Essigmutter zu Essig umgesetztem Alkohol gemeinsam ist kommend für das Schwitzen der Anwesenden geschaffener Raum mit sehr hoher Temperatur und niedriger Luftfeuchtigkeit

Where the eye mixes sauer and Sauna

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

5 ch
sauer
5 ch
Sauna

Visual trap between sauer and Sauna

These two trip readers on the page rather than in the ear: sauer is [ˈzaʊ̯ɐ] while Sauna is [ˈzaʊ̯na]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11580, derived from the frequency rank of both members and their visual similarity.

sauer is recorded at frequency rank #3,769, classified as anadj, pronounced [ˈzaʊ̯ɐ]. Sauna is at rank #7,811, tagged as anoun, pronounced [ˈzaʊ̯na].

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 11580, this pair ranks #1,969,104 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sauer vs Sauna

Shared letters: asu. Private to "sauer": er. Private to "Sauna": n.

"sauer" · 5 letters · shape CVVVC  ·  "Sauna" · 5 letters · shape CVVCV

Known mistypes of this pair

  • sauerasuer · saeur · sauerr · saure · ssauer · suaer
  • Saunaasuna · sanua · sauan · saunna · ssauna · suana

Frequently Asked Questions

Can "sauer" and "Sauna" be used interchangeably?
No - they are not even the same part of speech. "sauer" is an adjective and "Sauna" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "sauer" or "Sauna" show up more?
"sauer" is the more common of the two: it sits at frequency rank #3,769 in our German list, against #7,811 for "Sauna". 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 "sauer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sauna" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,969,104 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "sauer" and "Sauna" also get mixed up with nearby pairs, the highest-scored neighbour is "Samoa vs Sauna". 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 #1,969,104 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