MedusavsmodusWhich spelling fits?

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

Which to use

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

#25,473
“Medusa” frequency rank
#31,659
“modus” frequency rank
57132
confusion score

Side-by-Side Comparison

Feature Medusa modus
Definition The youngest and only mortal of the three gorgon sisters, killed by Perseus. The arrangement of, or mode of expressing, the terms of a contract or conveyance.

Where the eye mixes Medusa and modus

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Medusa runs 6 letters (CVCVCV) against modus's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
Medusa
5 ch
modus

Look-alike desk: Medusa vs modus

These two trip readers on the page rather than in the ear: Medusa is /mɪˈdjuːsə/ while modus is /ˈməʊdəs/. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 57132, derived from the frequency rank of both members and their visual similarity.

Medusa is recorded at frequency rank #25,473, classified as aname, pronounced /mɪˈdjuːsə/. modus is at rank #31,659, tagged as anoun, pronounced /ˈməʊdəs/.

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 57132, this pair ranks #121,396 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Medusa vs modus

Shared letters: dmsu. Private to "Medusa": ae. Private to "modus": o.

"Medusa" · 6 letters · shape CVCVCV  ·  "modus" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Medusa ← emdusa · mdeusa · meddusa · medsua · meduas · medussa · meudsa · mmedusa
  • modus ← mdous · mmodus · moddus · modsu · moduss · mouds · omdus

Frequently Asked Questions

Is swapping "Medusa" for "modus" ever safe?
No - they are not even the same part of speech. "Medusa" is a name and "modus" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Medusa" or "modus" show up more?
"Medusa" is the more common of the two: it sits at frequency rank #25,473 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.

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 "Medusa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "modus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #121,396 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Medusa" and "modus" 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 #121,396 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