extensionvsHamiltonWhich spelling fits?

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

Which to use

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

#33,032
“extension” frequency rank
#7,185
“Hamilton” frequency rank
40217
confusion score

Side-by-Side Comparison

Feature extension Hamilton
Definition Ausdehnung, Erweiterung, Umfang Stadt in Schottland

Letter map: extension vs Hamilton

Shared letters muted; letters that set extension and Hamilton apart highlighted. Shared run: 3. extension runs 9 letters (VCCVCCVVC) against Hamilton's 8 (CVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
extension
8 ch
Hamilton

Role in the sentence - extension and Hamilton

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: extension is anoun and Hamiltonaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 40217, derived from the frequency rank of both members and their visual similarity.

extension is recorded at frequency rank #33,032, classified as anoun, pronounced […]. Hamilton is at rank #7,185, 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 40217, this pair ranks #1,514,831 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of extension vs Hamilton

Shared letters: inot. Private to "extension": esx. Private to "Hamilton": ahlm.

"extension" · 9 letters · shape VCCVCCVVC  ·  "Hamilton" · 8 letters · shape CVCVCCVC

Known mistypes of this pair

  • extensionetxension · exetnsion · extenison · extennsion · extensino · extensionn · extensoin · extenssion
  • Hamiltonahmilton · haimlton · hamillton · hamilotn · hamiltno · hamiltonn · hamiltton · hamitlon

Frequently Asked Questions

Can "extension" and "Hamilton" be used interchangeably?
No - they are not even the same part of speech. "extension" is a noun and "Hamilton" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "extension" or "Hamilton"?
"Hamilton" is the more common of the two: it sits at frequency rank #7,185 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 "Hamilton" 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 "Hamilton" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,514,831 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "extension" and "Hamilton" 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 #1,514,831 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