rosigvsRostWhat's the difference?

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

Which to use

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

#31,760
“rosig” frequency rank
#14,913
“Rost” frequency rank
46673
confusion score

Side-by-Side Comparison

Feature rosig Rost
Definition von zart rosaroter Farbe rötlich braunes Produkt der Korrosion von Eisen

Where the eye mixes rosig and Rost

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

5 ch
rosig
4 ch
Rost

Look-alike desk: rosig vs Rost

These two trip readers on the page rather than in the ear: rosig is [ˈʁoːzɪç] while Rost is [ʁɔst]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 46673, derived from the frequency rank of both members and their visual similarity.

rosig is recorded at frequency rank #31,760, classified as anadj, pronounced [ˈʁoːzɪç]. Rost is at rank #14,913, tagged as anoun, pronounced [ʁɔst].

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 46673, this pair ranks #1,311,004 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rosig vs Rost

Shared letters: ors. Private to "rosig": gi. Private to "Rost": t.

"rosig" · 5 letters · shape CVCVC  ·  "Rost" · 4 letters · shape CVCC

Known mistypes of this pair

  • rosigorsig · roisg · rosgi · rosigg · rossig · rrosig · rsoig
  • Rostorst · rosst · rostt · rots · rrost · rsot

Frequently Asked Questions

Can "rosig" and "Rost" be used interchangeably?
No - they are not even the same part of speech. "rosig" is an adjective and "Rost" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "rosig" or "Rost" show up more?
"Rost" is the more common of the two: it sits at frequency rank #14,913 in our German list, against #31,760 for "rosig". 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 "rosig" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Rost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,311,004 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "rosig" and "Rost" also get mixed up with nearby pairs, the highest-scored neighbour is "Roses vs rosig". 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 #1,311,004 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