welchenvsWelpenWhat's the difference?

Quick tell: welchen is a unknown, Welpen is a noun, so they fill different roles in a sentence.

Which to use

“welchen” is an unknown and “Welpen” is a noun - they look or sound alike but fill different roles in a sentence.

#1,277
“welchen” frequency rank
#14,996
“Welpen” frequency rank
16273
confusion score

Side-by-Side Comparison

Feature welchen Welpen
Definition Akkusativ Singular des Pronomens welcher Genitiv Singular des Substantivs Welpe

Where the eye mixes welchen and Welpen

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. welchen runs 7 letters (CVCCCVC) against Welpen's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
welchen
6 ch
Welpen

Why the eye confuses welchen with Welpen

These two trip readers on the page rather than in the ear: welchen is [ˈvɛlçn̩] while Welpen is [ˈvɛlpn̩]. 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 (unknown vs noun), which is usually the fastest check. Our composite confusion score for this pair is 16273, derived from the frequency rank of both members and their visual similarity.

welchen is recorded at frequency rank #1,277, classified as anunknown, pronounced [ˈvɛlçn̩]. Welpen is at rank #14,996, tagged as anoun, pronounced [ˈvɛlpn̩].

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 16273, this pair ranks #1,937,203 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of welchen vs Welpen

Shared letters: elnw. Private to "welchen": ch. Private to "Welpen": p.

"welchen" · 7 letters · shape CVCCCVC  ·  "Welpen" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • welchen ← ewlchen · weclhen · welcchen · welcehn · welchenn · welchhen · welchne · welhcen
  • Welpen ← ewlpen · welepn · wellpen · welpenn · welpne · welppen · weplen · wlepen

Frequently Asked Questions

Do "welchen" and "Welpen" mean the same thing in a sentence?
No - they are not even the same part of speech. "welchen" is an unknown and "Welpen" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "welchen" or "Welpen" show up more?
"welchen" is the more common of the two: it sits at frequency rank #1,277 in our German list, against #14,996 for "Welpen". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "welchen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Welpen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,937,203 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "welchen" and "Welpen" also get mixed up with nearby pairs, the highest-scored neighbour is "welke vs Welpen". 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 #1,937,203 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