morosevsmouseConfusable pair

Quick tell: morose is a adjective, mouse is a noun, so they fill different roles in a sentence.

Which to use

“morose” is an adjective and “mouse” is a noun - they look or sound alike but fill different roles in a sentence.

#29,451
“morose” frequency rank
#31,143
“mouse” frequency rank
60594
confusion score

Side-by-Side Comparison

Feature morose mouse
Definition Qui est d’une humeur chagrine. Souris.

Where the eye mixes morose and mouse

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
morose
5 ch
mouse

Why the eye confuses morose with mouse

These two trip readers on the page rather than in the ear: morose is \mɔ.ʁoz\ while mouse is \maʊs\. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 60594, derived from the frequency rank of both members and their visual similarity.

morose is recorded at frequency rank #29,451, classified as anadj, pronounced \mɔ.ʁoz\. mouse is at rank #31,143, tagged as anoun, pronounced \maʊs\.

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 60594, this pair ranks #96,825 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of morose vs mouse

Shared letters: emos. Private to "morose": r. Private to "mouse": u.

"morose" · 6 letters · shape CVCVCV  ·  "mouse" · 5 letters · shape CVVCV

Known mistypes of this pair

  • morosemmorose · moorse · moroes · morosse · morrose · morsoe · mroose · omrose
  • mousemmouse · mosue · moues · muose · omuse

Frequently Asked Questions

Is swapping "morose" for "mouse" ever safe?
No - they are not even the same part of speech. "morose" is an adjective and "mouse" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "morose" or "mouse"?
"morose" is the more common of the two: it sits at frequency rank #29,451 in our French list, against #31,143 for "mouse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "morose" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mouse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #96,825 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "morose" and "mouse" also get mixed up with nearby pairs, the highest-scored neighbour is "moquée vs mouse". 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 #96,825 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