Which to use
“extension” is a noun and “running” is a verb - they look or sound alike but fill different roles in a sentence.
- #33,032
- “extension” frequency rank
- #15,470
- “running” frequency rank
- 48502
- confusion score
Side-by-Side Comparison
| Feature | extension | running |
|---|---|---|
| Definition | Ausdehnung, Erweiterung, Umfang | Partizip Präsens (present participle) des Verbs run |
Letter map: extension vs running
Shared letters muted; letters that set extension and running apart highlighted. Shared run: 3. extension runs 9 letters (VCCVCCVVC) against running's 7 (CVCCVCC) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: extension vs running
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: extension is anoun and runningaverb. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 48502, derived from the frequency rank of both members and their visual similarity.
extension is recorded at frequency rank #33,032, classified as anoun, pronounced […]. running is at rank #15,470, tagged as averb, pronounced […].
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 48502, this pair ranks #1,246,229 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of extension vs running
Shared letters: in. Private to "extension": eostx. Private to "running": gru.
"extension" · 9 letters · shape VCCVCCVVC · "running" · 7 letters · shape CVCCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "extension" and "running" mean the same thing in a sentence?
In ordinary German text, does "extension" or "running" show up more?
After this comparison
You've compared "extension" and "running". Here's where to go from here.
- Full dictionary entry for "extension" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "running" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,246,229 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "extension" and "running" also get mixed up with nearby pairs, the highest-scored neighbour is "extension vs puzzles". 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 #1,246,229 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.