deepvsdueWhich spelling fits?

Which to use

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

#945
“deep” frequency rank
#442
“due” frequency rank
1387
confusion score

Side-by-Side Comparison

Feature deep due
Definition Extending, reaching or positioned far from a point of reference, especially downwards. Owed or owing.

Where the eye mixes deep and due

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
deep
3 ch
due

Visual trap between deep and due

A purely visual mix-up. deep (/diːp/) and due (/djuː/) 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 letter(s) in length. Our composite confusion score for this pair is 1387, derived from the frequency rank of both members and their visual similarity.

deep is recorded at frequency rank #945, classified as anadj, pronounced /diːp/. due is at rank #442, tagged as anadj, pronounced /djuː/.

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 1387, this pair ranks #527,546 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of deep vs due

Shared letters: de. Private to "deep": p. Private to "due": u.

"deep" · 4 letters · shape CVVC  ·  "due" · 3 letters · shape CVV

Known mistypes of this pair

  • deepddeep · deepp · depe · edep

Frequently Asked Questions

Can "deep" and "due" be used interchangeably?
No. They are said differently (/diːp/ versus /djuː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "deep" vs "due" - which ranks higher?
"due" is the more common of the two: it sits at frequency rank #442 in our English list, against #945 for "deep". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "deep" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "due" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #527,546 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "deep" and "due" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs due". 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 #527,546 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