Which to use
“modules” and “modulus” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,252
- “modules” frequency rank
- #39,433
- “modulus” frequency rank
- 50685
- confusion score
Side-by-Side Comparison
| Feature | modules | modulus |
|---|---|---|
| Definition | plural of module | The base with respect to which a congruence is computed. |
Where the eye mixes modules and modulus
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: modules vs modulus
A purely visual mix-up. modules (/ˈmɒdjuːlz/) and modulus (/ˈmɒdjʊləs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - e in “modules” becomes u in “modulus”. Our composite confusion score for this pair is 50685, derived from the frequency rank of both members and their visual similarity.
modules is recorded at frequency rank #11,252, classified as anoun, pronounced /ˈmɒdjuːlz/. modulus is at rank #39,433, tagged as anoun, pronounced /ˈmɒdjʊləs/.
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 50685, this pair ranks #172,058 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of modules vs modulus
Shared letters: dlmosu. Private to "modules": e. Private to "modulus": -.
"modules" · 7 letters · shape CVCVCVC · "modulus" · 7 letters · shape CVCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "modules" and "modulus" be used interchangeably?
Frequency check: "modules" vs "modulus" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "modules" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "modulus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #172,058 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "modules" and "modulus" also get mixed up with nearby pairs, the highest-scored neighbour is "modulus 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 #172,058 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.