requiredvsrequiresConfusable pair

Which to use

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

#1,027
“required” frequency rank
#2,175
“requires” frequency rank
3202
confusion score

Side-by-Side Comparison

Feature required requires
Definition simple past and past participle of require third-person singular simple present indicative of require

Where the eye mixes required and requires

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

8 ch
required
8 ch
requires

Look-alike desk: required vs requires

A purely visual mix-up. required (/ɹɪˈkwaɪɹd/) and requires (/ɹɪˈkwaɪəz/) 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 a single letter - d in “required” becomes s in “requires”. Our composite confusion score for this pair is 3202, derived from the frequency rank of both members and their visual similarity.

required is recorded at frequency rank #1,027, classified as averb, pronounced /ɹɪˈkwaɪɹd/. requires is at rank #2,175, tagged as averb, pronounced /ɹɪˈkwaɪəz/.

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 3202, this pair ranks #522,814 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of required vs requires

Shared letters: eiqru. Private to "required": d. Private to "requires": s.

"required" · 8 letters · shape CVCVVCVC  ·  "requires" · 8 letters · shape CVCVVCVC

Known mistypes of this pair

  • requirederquired · reqiured · reqquired · requierd · requirde · requiredd · requirred · requried
  • requireserquires · reqiures · reqquires · requiers · requiress · requirres · requirse · requries

Frequently Asked Questions

Is swapping "required" for "requires" ever safe?
No. They are said differently (/ɹɪˈkwaɪɹd/ versus /ɹɪˈkwaɪəz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "required" vs "requires" - which ranks higher?
"required" is the more common of the two: it sits at frequency rank #1,027 in our English list, against #2,175 for "requires". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "required" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "requires" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #522,814 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "required" and "requires" also get mixed up with nearby pairs, the highest-scored neighbour is "requiem vs requires". 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 #522,814 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