Which to use
“extend” is a verb and “extender” is a noun - they look or sound alike but fill different roles in a sentence.
- #4,016
- “extend” frequency rank
- #42,632
- “extender” frequency rank
- 46648
- confusion score
Side-by-Side Comparison
| Feature | extend | extender |
|---|---|---|
| Definition | To increase in extent. | One who extends. |
Letter map: extend vs extender
Shared letters muted; letters that set extend and extender apart highlighted. Shared run: 6.
Role in the sentence - extend and extender
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: extend is averb and extenderanoun. On the page they differ by 2 extra letter(s) - “extend” sits inside “extender”. Our composite confusion score for this pair is 46648, derived from the frequency rank of both members and their visual similarity.
extend is recorded at frequency rank #4,016, classified as averb, pronounced /ɛkˈstɛnd/. extender is at rank #42,632, tagged as anoun.
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 46648, this pair ranks #209,757 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of extend vs extender
Shared letters: dentx. Private to "extend": -. Private to "extender": r.
"extend" · 6 letters · shape VCCVCC · "extender" · 8 letters · shape VCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "extend" and "extender" mean the same thing in a sentence?
Frequency check: "extend" vs "extender" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "extend" and "extender".
- Full dictionary entry for "extend" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "extender" - compare definitions side by side with the headword page. Word entry
- This pair ranks #209,757 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "extend" and "extender" also get mixed up with nearby pairs, the highest-scored neighbour is "engender vs extender". 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 #209,757 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.