dîmevsdumConfusable pair

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

Which to use

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

#34,076
“dîme” frequency rank
#37,286
“dum” frequency rank
71362
confusion score

Side-by-Side Comparison

Feature dîme dum
Definition Portion des grains, des vins, des fruits, etc., qui se payait à l’église, ou au seigneur du lieu, et qui en était ordinairement le dixième. Pendant, durant, pendant que, tandis que.

Where the eye mixes dîme and dum

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

4 ch
dîme
3 ch
dum

Visual trap between dîme and dum

These two trip readers on the page rather than in the ear: dîme is \dim\ 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 (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 71362, derived from the frequency rank of both members and their visual similarity.

dîme is recorded at frequency rank #34,076, classified as anoun, pronounced \dim\. 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 71362, this pair ranks #47,821 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of dîme vs dum

Shared letters: dm. Private to "dîme": . Private to "dum": u.

"dîme" · 4 letters · shape CVCV  ·  "dum" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "dîme" for "dum" ever safe?
No - they are not even the same part of speech. "dîme" is a noun and "dum" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dîme" or "dum"?
"dîme" is the more common of the two: it sits at frequency rank #34,076 in our French list, against #37,286 for "dum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "dîme" and "dum" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dîme" 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 #47,821 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dîme" and "dum" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs dum". Nearby pair

Confusion rank #47,821 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list