MachvsmuchoWhich spelling fits?

Quick tell: Mach is a name, mucho is an adjective, so they fill different roles in a sentence.

Which to use

“Mach” is a name and “mucho” is an adjective - they look or sound alike but fill different roles in a sentence.

#20,990
“Mach” frequency rank
#47,775
“mucho” frequency rank
68765
confusion score

Side-by-Side Comparison

Feature Mach mucho
Definition A surname from Czech. Much; a great deal of.

Where the eye mixes Mach and mucho

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Mach runs 4 letters (CVCC) against mucho's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
Mach
5 ch
mucho

Look-alike desk: Mach vs mucho

These two trip readers on the page rather than in the ear: Mach is /mɑːk/ while mucho is /ˈmuːt͡ʃoʊ/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 68765, derived from the frequency rank of both members and their visual similarity.

Mach is recorded at frequency rank #20,990, classified as aname, pronounced /mɑːk/. mucho is at rank #47,775, tagged as anadj, pronounced /ˈmuːt͡ʃoʊ/.

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 68765, this pair ranks #57,421 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Mach vs mucho

Shared letters: chm. Private to "Mach": a. Private to "mucho": ou.

"Mach" · 4 letters · shape CVCC  ·  "mucho" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Mach ← amch · macch · machh · mahc · mcah · mmach
  • mucho ← mcuho · mmucho · muccho · muchho · mucoh · muhco · umcho

Frequently Asked Questions

Do "Mach" and "mucho" mean the same thing in a sentence?
No - they are not even the same part of speech. "Mach" is a name and "mucho" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Mach" or "mucho" show up more?
"Mach" is the more common of the two: it sits at frequency rank #20,990 in our English list, against #47,775 for "mucho". 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 "Mach" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mucho" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,421 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Mach" and "mucho" also get mixed up with nearby pairs, the highest-scored neighbour is "Miho vs mucho". 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 #57,421 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