deux vs due, What's the Difference?

Which to use

“deux” is a num and “due” is an adverb - they look or sound alike but fill different roles in a sentence.

#46,494
“deux” frequency rank: #27,578
“due” frequency rank: 74072
confusion score

Side-by-Side Comparison

Feature	deux	due
Definition	Dos.	En segundo puesto.

Where the spellings diverge

Shared letters are muted; the letters that actually set deux and due apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch

deux

3 ch

due

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: deux is /dø/ while due is [ˈdu.e]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (num vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 74072, derived from the frequency rank of both members and their visual similarity.

deux is recorded at frequency rank #46,494, classified as anum, pronounced /dø/. due is at rank #27,578, tagged as anadv, pronounced [ˈdu.e].

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 74072, this pair ranks #22,009 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of deux vs due

Shared letters: deu. Private to "deux": x. Private to "due": -.

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

Known mistypes of this pair

deux ← ddeux · deuxx · dexu · duex · edux

Frequency comparison

deux#46,494

due#27,578

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "deux" and "due" be used interchangeably?

No - they are not even the same part of speech. "deux" is a num and "due" an adverb, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "deux" or "due"?

"due" is the more common of the two: it sits at frequency rank #27,578 in our Spanish list, against #46,494 for "deux". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering deux vs due

The fastest way to pick the right one every time.

Check the role first: if you need a num, it's “deux”; for an adverb, it's “due”.
See each word in full, definition, IPA, etymology and its other confusables. Full “deux” entry
Browse more pairs most likely to be confused. Most confusable