due vs dum, What's the Difference?

Which to use

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

#442
“due” frequency rank: #23,517
“dum” frequency rank: 23959
confusion score

Side-by-Side Comparison

Feature	due	dum
Definition	Owed or owing.	cooked with steam

Where the eye mixes due and dum

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

3 ch

due

3 ch

dum

Visual trap between due and dum

A purely visual mix-up. due (/djuː/) and dum (/dʌm/) 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 - e in “due” becomes m in “dum”. Our composite confusion score for this pair is 23959, derived from the frequency rank of both members and their visual similarity.

due is recorded at frequency rank #442, classified as anadj, pronounced /djuː/. dum is at rank #23,517, tagged as anadj, pronounced /dʌm/.

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 23959, this pair ranks #405,546 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of due vs dum

Shared letters: du. Private to "due": e. Private to "dum": m.

"due" · 3 letters · shape CVV · "dum" · 3 letters · shape CVC

Frequently Asked Questions

Do "due" and "dum" mean the same thing in a sentence?

No. They are said differently (/djuː/ versus /dʌm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

In ordinary English text, does "due" or "dum" show up more?

"due" is the more common of the two: it sits at frequency rank #442 in our English list, against #23,517 for "dum". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

Full dictionary entry for "due" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "dum" - compare definitions side by side with the headword page. Word entry
This pair ranks #405,546 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"due" and "dum" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs dum". Nearby pair

Confusion rank #405,546 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.