modusvsmouConfusable pair

Quick tell: modus is a noun, mou is a particle, so they fill different roles in a sentence.

Which to use

“modus” is a noun and “mou” is a particle - they look or sound alike but fill different roles in a sentence.

#31,659
“modus” frequency rank
#25,145
“mou” frequency rank
56804
confusion score

Side-by-Side Comparison

Feature modus mou
Definition The arrangement of, or mode of expressing, the terms of a contract or conveyance. Sentence-final particle, forms a tag question.

Letter map: modus vs mou

Shared letters muted; letters that set modus and mou apart highlighted. Shared run: 3.

5 ch
modus
3 ch
mou

Grammar separator: modus vs mou

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: modus is anoun and mouaparticle. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 56804, derived from the frequency rank of both members and their visual similarity.

modus is recorded at frequency rank #31,659, classified as anoun, pronounced /ˈməʊdəs/. mou is at rank #25,145, tagged as aparticle.

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 56804, this pair ranks #123,630 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of modus vs mou

Shared letters: mou. Private to "modus": ds. Private to "mou": -.

"modus" · 5 letters · shape CVCVC  ·  "mou" · 3 letters · shape CVV

Known mistypes of this pair

  • modusmdous · mmodus · moddus · modsu · moduss · mouds · omdus

Frequently Asked Questions

Is swapping "modus" for "mou" ever safe?
No - they are not even the same part of speech. "modus" is a noun and "mou" a particle, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "modus" or "mou" show up more?
"mou" is the more common of the two: it sits at frequency rank #25,145 in our English list, against #31,659 for "modus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "modus" vs "mou" is on the table, pick a follow-up below.

  • Full dictionary entry for "modus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #123,630 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "modus" and "mou" also get mixed up with nearby pairs, the highest-scored neighbour is "magus vs modus". 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 #123,630 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