extendvsextendsWhich spelling fits?

Which to use

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

#4,016
“extend” frequency rank
#7,224
“extends” frequency rank
11240
confusion score

Side-by-Side Comparison

Feature extend extends
Definition To increase in extent. third-person singular simple present indicative of extend

Where the eye mixes extend and extends

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

6 ch
extend
7 ch
extends

Visual trap between extend and extends

A purely visual mix-up. extend (/ɛkˈstɛnd/) and extends (/ɛkˈstɛndz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “extend” sits inside “extends”. Our composite confusion score for this pair is 11240, 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/. extends is at rank #7,224, tagged as averb, pronounced /ɛkˈstɛndz/.

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 11240, this pair ranks #488,141 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of extend vs extends

Shared letters: dentx. Private to "extend": -. Private to "extends": s.

"extend" · 6 letters · shape VCCVCC  ·  "extends" · 7 letters · shape VCCVCCC

Known mistypes of this pair

  • extendetxend · exetnd · extedn · extendd · extennd · extned · exttend · exxtend
  • extendsetxends · exetnds · extedns · extendds · extendss · extennds · extensd · extneds

Frequently Asked Questions

Can "extend" and "extends" be used interchangeably?
No. They are said differently (/ɛkˈstɛnd/ versus /ɛkˈstɛndz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "extend" or "extends"?
"extend" is the more common of the two: it sits at frequency rank #4,016 in our English list, against #7,224 for "extends". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "extend" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "extends" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #488,141 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "extend" and "extends" also get mixed up with nearby pairs, the highest-scored neighbour is "extender vs extends". 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 #488,141 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