Which to use
“mildew” is a noun and “Mulder” is a name - they look or sound alike but fill different roles in a sentence.
- #34,592
- “mildew” frequency rank
- #27,573
- “Mulder” frequency rank
- 62165
- confusion score
Side-by-Side Comparison
| Feature | mildew | Mulder |
|---|---|---|
| Definition | A growth of minute powdery or webby fungi, whitish or of different colors, found on various diseased or decaying substances. | A surname from Dutch, equivalent to English Miller. |
Where the eye mixes mildew and Mulder
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. mildew and Mulder follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses mildew with Mulder
These two trip readers on the page rather than in the ear: mildew is /ˈmɪl.djuː/ while Mulder is /ˈmʌl.də(ɹ)/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 62165, derived from the frequency rank of both members and their visual similarity.
mildew is recorded at frequency rank #34,592, classified as anoun, pronounced /ˈmɪl.djuː/. Mulder is at rank #27,573, tagged as aname, pronounced /ˈmʌl.də(ɹ)/.
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 62165, this pair ranks #90,009 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of mildew vs Mulder
Shared letters: delm. Private to "mildew": iw. Private to "Mulder": ru.
"mildew" · 6 letters · shape CVCCVC · "Mulder" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "mildew" for "Mulder" ever safe?
Frequency check: "mildew" vs "Mulder" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "mildew" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Mulder" - compare definitions side by side with the headword page. Word entry
- This pair ranks #90,009 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mildew" and "Mulder" also get mixed up with nearby pairs, the highest-scored neighbour is "Malden vs mildew". 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 #90,009 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.