extensionvsFergusonConfusable pair

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

Which to use

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

#33,032
“extension” frequency rank
#20,916
“Ferguson” frequency rank
53948
confusion score

Side-by-Side Comparison

Feature extension Ferguson
Definition Ausdehnung, Erweiterung, Umfang englischer männlicher Vorname

Letter map: extension vs Ferguson

Shared letters muted; letters that set extension and Ferguson apart highlighted. Shared run: 4. extension runs 9 letters (VCCVCCVVC) against Ferguson's 8 (CVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
extension
8 ch
Ferguson

Role in the sentence - extension and Ferguson

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: extension is anoun and Fergusonaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 53948, derived from the frequency rank of both members and their visual similarity.

extension is recorded at frequency rank #33,032, classified as anoun, pronounced […]. Ferguson is at rank #20,916, 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 53948, this pair ranks #1,037,975 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of extension vs Ferguson

Shared letters: enos. Private to "extension": itx. Private to "Ferguson": fgru.

"extension" · 9 letters · shape VCCVCCVVC  ·  "Ferguson" · 8 letters · shape CVCCVCVC

Known mistypes of this pair

  • extensionetxension · exetnsion · extenison · extennsion · extensino · extensionn · extensoin · extenssion
  • Fergusonefrguson · fegruson · fergguson · fergsuon · ferguosn · fergusno · fergusonn · fergusson

Frequently Asked Questions

Do "extension" and "Ferguson" mean the same thing in a sentence?
No - they are not even the same part of speech. "extension" is a noun and "Ferguson" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "extension" vs "Ferguson" - which ranks higher?
"Ferguson" is the more common of the two: it sits at frequency rank #20,916 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

Pair "extension" vs "Ferguson" is on the table, pick a follow-up below.

  • Full dictionary entry for "extension" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ferguson" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,037,975 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "extension" and "Ferguson" 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 #1,037,975 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