extensionvsminingWhich spelling fits?

Quick tell: extension is a noun, mining is a verb, so they fill different roles in a sentence.

Which to use

“extension” is a noun and “mining” is a verb - they look or sound alike but fill different roles in a sentence.

#33,032
“extension” frequency rank
#22,436
“mining” frequency rank
55468
confusion score

Side-by-Side Comparison

Feature extension mining
Definition Ausdehnung, Erweiterung, Umfang Partizip Präsens (present participle) des Verbs mine

Letter map: extension vs mining

Shared letters muted; letters that set extension and mining apart highlighted. Shared run: 3. extension runs 9 letters (VCCVCCVVC) against mining's 6 (CVCVCC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
extension
6 ch
mining

Grammar separator: extension vs mining

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: extension is anoun and miningaverb. On the page they differ by 3 letter(s) in length. Our composite confusion score for this pair is 55468, derived from the frequency rank of both members and their visual similarity.

extension is recorded at frequency rank #33,032, classified as anoun, pronounced […]. mining is at rank #22,436, 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 55468, this pair ranks #978,419 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of extension vs mining

Shared letters: in. Private to "extension": eostx. Private to "mining": gm.

"extension" · 9 letters · shape VCCVCCVVC  ·  "mining" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • extensionetxension · exetnsion · extenison · extennsion · extensino · extensionn · extensoin · extenssion
  • miningimning · miinng · minign · miningg · mininng · minnig · minning · mmining

Frequently Asked Questions

Do "extension" and "mining" mean the same thing in a sentence?
No - they are not even the same part of speech. "extension" is a noun and "mining" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "extension" or "mining" show up more?
"mining" is the more common of the two: it sits at frequency rank #22,436 in our German list, against #33,032 for "extension". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "extension" and "mining".

  • Full dictionary entry for "extension" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mining" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #978,419 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "extension" and "mining" 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 #978,419 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