machvsMacsWhich spelling fits?

Quick tell: mach is a verb, Macs is a noun, so they fill different roles in a sentence.

Which to use

“mach” is a verb and “Macs” is a noun - they look or sound alike but fill different roles in a sentence.

#687
“mach” frequency rank
#41,330
“Macs” frequency rank
42017
confusion score

Side-by-Side Comparison

Feature mach Macs
Definition 2. Person Singular Imperativ des Verbs machen Nominativ Plural des Substantivs Mac

Where the eye mixes mach and Macs

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. mach and Macs 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
Macs

Visual trap between mach and Macs

These two trip readers on the page rather than in the ear: mach is [max] while Macs is [mɛks]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - h in “mach” becomes s in “Macs”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 42017, derived from the frequency rank of both members and their visual similarity.

mach is recorded at frequency rank #687, classified as averb, pronounced [max]. Macs is at rank #41,330, tagged as anoun, pronounced [mɛks].

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 42017, this pair ranks #1,462,115 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mach vs Macs

Shared letters: acm. Private to "mach": h. Private to "Macs": s.

"mach" · 4 letters · shape CVCC  ·  "Macs" · 4 letters · shape CVCC

Known mistypes of this pair

  • mach ← amch · macch · machh · mahc · mcah · mmach
  • Macs ← amcs · maccs · macss · masc · mcas · mmacs

Frequently Asked Questions

Is swapping "mach" for "Macs" ever safe?
No - they are not even the same part of speech. "mach" is a verb and "Macs" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mach" or "Macs"?
"mach" is the more common of the two: it sits at frequency rank #687 in our German list, against #41,330 for "Macs". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "mach" and "Macs" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "mach" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Macs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,462,115 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "mach" and "Macs" also get mixed up with nearby pairs, the highest-scored neighbour is "Macs vs Mals". 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 #1,462,115 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list