expandedvsextendedWhich spelling fits?

Which to use

“expanded” and “extended” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,446
“expanded” frequency rank
#2,293
“extended” frequency rank
6739
confusion score

Side-by-Side Comparison

Feature expanded extended
Definition simple past and past participle of expand simple past and past participle of extend

Where the eye mixes expanded and extended

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
expanded
8 ch
extended

Visual trap between expanded and extended

A purely visual mix-up. expanded (/ɛkˈspændɪd/) and extended (/ɛkˈstɛndɪd/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 6739, derived from the frequency rank of both members and their visual similarity.

expanded is recorded at frequency rank #4,446, classified as averb, pronounced /ɛkˈspændɪd/. extended is at rank #2,293, tagged as averb, pronounced /ɛkˈstɛndɪd/.

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 6739, this pair ranks #510,188 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of expanded vs extended

Shared letters: denx. Private to "expanded": ap. Private to "extended": t.

"expanded" · 8 letters · shape VCCVCCVC  ·  "extended" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • expandedepxanded · exapnded · expadned · expandde · expandded · expandedd · expanedd · expannded
  • extendedetxended · exetnded · extedned · extendde · extendded · extendedd · extenedd · extennded

Frequently Asked Questions

Is swapping "expanded" for "extended" ever safe?
No. They are said differently (/ɛkˈspændɪd/ versus /ɛkˈstɛndɪd/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "expanded" or "extended"?
"extended" is the more common of the two: it sits at frequency rank #2,293 in our English list, against #4,446 for "expanded". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "expanded" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "extended" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #510,188 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "expanded" and "extended" also get mixed up with nearby pairs, the highest-scored neighbour is "extended 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 #510,188 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list