dourvsdumWhat's the difference?

Quick tell: dour is a adjective, dum is a preposition, so they fill different roles in a sentence.

Which to use

“dour” is an adjective and “dum” is a preposition - they look or sound alike but fill different roles in a sentence.

#44,426
“dour” frequency rank
#37,286
“dum” frequency rank
81712
confusion score

Side-by-Side Comparison

Feature dour dum
Definition Austère, dur, inhospitalier. Pendant, durant, pendant que, tandis que.

Where the spellings diverge

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

4 ch
dour
3 ch
dum

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: dour is \ˈdʊə(ɹ)\ while dum is \dum\. 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 (adjective vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 81712, derived from the frequency rank of both members and their visual similarity.

dour is recorded at frequency rank #44,426, classified as anadj, pronounced \ˈdʊə(ɹ)\. dum is at rank #37,286, tagged as aprep, pronounced \dum\.

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 81712, this pair ranks #18,193 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of dour vs dum

Shared letters: du. Private to "dour": or. Private to "dum": m.

"dour" · 4 letters · shape CVVC  ·  "dum" · 3 letters · shape CVC

Known mistypes of this pair

  • dourddour · doru · dourr · duor · odur

Frequency comparison

dour#44,426
dum#37,286

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "dour" and "dum" be used interchangeably?
No - they are not even the same part of speech. "dour" is an adjective and "dum" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dour" or "dum"?
"dum" is the more common of the two: it sits at frequency rank #37,286 in our French list, against #44,426 for "dour". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering dour vs dum

The fastest way to pick the right one every time.

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

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list