siebtenvssiebzehnWhat's the difference?

Quick tell: siebten is a adjective, siebzehn is a num, so they fill different roles in a sentence.

Which to use

“siebten” is an adjective and “siebzehn” is a num - they look or sound alike but fill different roles in a sentence.

#9,263
“siebten” frequency rank
#26,169
“siebzehn” frequency rank
35432
confusion score

Side-by-Side Comparison

Feature siebten siebzehn
Definition Genitiv Singular Maskulinum der starken Flexion des Positivs des Adjektivs siebte die Kardinalzahl zwischen sechzehn und achtzehn

Where the eye mixes siebten and siebzehn

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. siebten runs 7 letters (CVVCCVC) against siebzehn's 8 (CVVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
siebten
8 ch
siebzehn

Why the eye confuses siebten with siebzehn

These two trip readers on the page rather than in the ear: siebten is [ˈziːptn̩] while siebzehn is [ˈziːpt͡seːn]. 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 num), which is usually the fastest check. Our composite confusion score for this pair is 35432, derived from the frequency rank of both members and their visual similarity.

siebten is recorded at frequency rank #9,263, classified as anadj, pronounced [ˈziːptn̩]. siebzehn is at rank #26,169, tagged as anum, pronounced [ˈziːpt͡seːn].

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 35432, this pair ranks #1,640,145 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of siebten vs siebzehn

Shared letters: beins. Private to "siebten": t. Private to "siebzehn": hz.

"siebten" · 7 letters · shape CVVCCVC  ·  "siebzehn" · 8 letters · shape CVVCCVCC

Known mistypes of this pair

  • siebten ← isebten · seibten · sibeten · siebbten · siebetn · siebtenn · siebtne · siebtten
  • siebzehn ← isebzehn · seibzehn · sibezehn · siebbzehn · siebezhn · siebzehhn · siebzehnn · siebzenh

Frequently Asked Questions

Do "siebten" and "siebzehn" mean the same thing in a sentence?
No - they are not even the same part of speech. "siebten" is an adjective and "siebzehn" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "siebten" or "siebzehn"?
"siebten" is the more common of the two: it sits at frequency rank #9,263 in our German list, against #26,169 for "siebzehn". 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 "siebten" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "siebzehn" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,640,145 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "siebten" and "siebzehn" also get mixed up with nearby pairs, the highest-scored neighbour is "Sieber vs siebten". 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 #1,640,145 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