extensionvsGeraldTell them apart

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

Which to use

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

#33,032
“extension” frequency rank
#10,289
“Gerald” frequency rank
43321
confusion score

Side-by-Side Comparison

Feature extension Gerald
Definition Ausdehnung, Erweiterung, Umfang männlicher Vorname

Letter map: extension vs Gerald

Shared letters muted; letters that set extension and Gerald apart highlighted. Shared run: 1. extension runs 9 letters (VCCVCCVVC) against Gerald's 6 (CVCVCC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
extension
6 ch
Gerald

Role in the sentence - extension and Gerald

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: extension is anoun and Geraldaname. On the page they differ by 3 letter(s) in length. Our composite confusion score for this pair is 43321, derived from the frequency rank of both members and their visual similarity.

extension is recorded at frequency rank #33,032, classified as anoun, pronounced […]. Gerald is at rank #10,289, tagged as aname, 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 43321, this pair ranks #1,421,718 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of extension vs Gerald

Shared letters: e. Private to "extension": inostx. Private to "Gerald": adglr.

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

Known mistypes of this pair

  • extensionetxension · exetnsion · extenison · extennsion · extensino · extensionn · extensoin · extenssion
  • Geraldegrald · gearld · geradl · geraldd · geralld · gerlad · gerrald · ggerald

Frequently Asked Questions

Is swapping "extension" for "Gerald" ever safe?
No - they are not even the same part of speech. "extension" is a noun and "Gerald" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "extension" or "Gerald"?
"Gerald" is the more common of the two: it sits at frequency rank #10,289 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 "Gerald".

  • Full dictionary entry for "extension" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Gerald" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,421,718 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "extension" and "Gerald" 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 #1,421,718 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