machvsmathWhich spelling fits?

Which to use

“mach” and “math” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#35,130
“mach” frequency rank
#48,531
“math” frequency rank
83661
confusion score

Side-by-Side Comparison

Feature mach math
Definition Medida de velocidad relativa que se define como el cociente entre la velocidad de un objeto y la velocidad del sonido en el medio en que se mueve dicho objeto. Matemáticas, abreviación de mathématiques .

Where the eye mixes mach and math

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. mach and math follow the identical consonant-vowel pattern (CVCC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
mach
4 ch
math

Why the eye confuses mach with math

A purely visual mix-up. mach ([ˈmat͡ʃ]) and math (/matø/) 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 - c in “mach” becomes t in “math”. Our composite confusion score for this pair is 83661, derived from the frequency rank of both members and their visual similarity.

mach is recorded at frequency rank #35,130, classified as anoun, pronounced [ˈmat͡ʃ]. math is at rank #48,531, tagged as anoun, pronounced /matø/.

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 83661, this pair ranks #7,896 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of mach vs math

Shared letters: ahm. Private to "mach": c. Private to "math": t.

"mach" · 4 letters · shape CVCC  ·  "math" · 4 letters · shape CVCC

Known mistypes of this pair

  • mach ← amch · macch · machh · mahc · mcah · mmach
  • math ← amth · maht · mathh · matth · mmath · mtah

Frequently Asked Questions

Do "mach" and "math" mean the same thing in a sentence?
No. They are said differently ([ˈmat͡ʃ] versus /matø/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "mach" or "math"?
"mach" is the more common of the two: it sits at frequency rank #35,130 in our Spanish list, against #48,531 for "math". 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 "mach" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "math" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #7,896 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mach" and "math" also get mixed up with nearby pairs, the highest-scored neighbour is "math vs month". 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 #7,896 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list