MuldervsmutterWhat's the difference?

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

Which to use

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

#27,573
“Mulder” frequency rank
#38,512
“mutter” frequency rank
66085
confusion score

Side-by-Side Comparison

Feature Mulder mutter
Definition A surname from Dutch, equivalent to English Miller. A repressed or obscure utterance; an instance of muttering.

Where the eye mixes Mulder and mutter

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

6 ch
Mulder
6 ch
mutter

Visual trap between Mulder and mutter

These two trip readers on the page rather than in the ear: Mulder is /ˈmʌl.də(ɹ)/ while mutter is /ˈmʌtə/. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 66085, derived from the frequency rank of both members and their visual similarity.

Mulder is recorded at frequency rank #27,573, classified as aname, pronounced /ˈmʌl.də(ɹ)/. mutter is at rank #38,512, tagged as anoun, pronounced /ˈmʌtə/.

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 66085, this pair ranks #69,677 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Mulder vs mutter

Shared letters: emru. Private to "Mulder": dl. Private to "mutter": t.

"Mulder" · 6 letters · shape CVCCVC  ·  "mutter" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Muldermluder · mmulder · mudler · muldder · mulderr · muldre · muledr · mullder
  • muttermmutter · mtuter · muter · mutetr · mutterr · muttre · umtter

Frequently Asked Questions

Do "Mulder" and "mutter" mean the same thing in a sentence?
No - they are not even the same part of speech. "Mulder" is a name and "mutter" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Mulder" or "mutter"?
"Mulder" is the more common of the two: it sits at frequency rank #27,573 in our English list, against #38,512 for "mutter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Mulder" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mutter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,677 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Mulder" and "mutter" also get mixed up with nearby pairs, the highest-scored neighbour is "mutate vs mutter". 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 #69,677 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