Which to use
“aufstocken” is a verb and “Aufstockung” is a noun - they look or sound alike but fill different roles in a sentence.
- #28,528
- “aufstocken” frequency rank
- #29,011
- “Aufstockung” frequency rank
- 57539
- confusion score
Side-by-Side Comparison
| Feature | aufstocken | Aufstockung |
|---|---|---|
| Definition | nachträglich ein Gebäude um ein oder mehrere Stockwerke erhöhen | Erhöhung eines Gebäudes um eine oder mehrere Etagen |
Where the eye mixes aufstocken and Aufstockung
Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. aufstocken runs 10 letters (VVCCCVCCVC) against Aufstockung's 11 (VVCCCVCCVCC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between aufstocken and Aufstockung
These two trip readers on the page rather than in the ear: aufstocken is [ˈaʊ̯fˌʃtɔkn̩] while Aufstockung is [ˈaʊ̯fˌʃtɔkʊŋ]. 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 57539, derived from the frequency rank of both members and their visual similarity.
aufstocken is recorded at frequency rank #28,528, classified as averb, pronounced [ˈaʊ̯fˌʃtɔkn̩]. Aufstockung is at rank #29,011, tagged as anoun, pronounced [ˈaʊ̯fˌʃtɔkʊŋ].
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 57539, this pair ranks #897,534 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of aufstocken vs Aufstockung
Shared letters: acfknostu. Private to "aufstocken": e. Private to "Aufstockung": g.
"aufstocken" · 10 letters · shape VVCCCVCCVC · "Aufstockung" · 11 letters · shape VVCCCVCCVCC
Known mistypes of this pair
- aufstocken ← afustocken · auffstocken · aufsotcken · aufsstocken · aufstcoken · aufstoccken · aufstocekn · aufstockenn
- Aufstockung ← afustockung · auffstockung · aufsotckung · aufsstockung · aufstcokung · aufstocckung · aufstockkung · aufstocknug
Frequently Asked Questions
Is swapping "aufstocken" for "Aufstockung" ever safe?
Which is more common, "aufstocken" or "Aufstockung"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "aufstocken" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Aufstockung" - compare definitions side by side with the headword page. Word entry
- This pair ranks #897,534 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- 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 #897,534 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.