matsvsmaxTell them apart

Quick tell: mats is a noun, max is an adjective, so they fill different roles in a sentence.

Which to use

“mats” is a noun and “max” is an adjective - they look or sound alike but fill different roles in a sentence.

#13,563
“mats” frequency rank
#2,222
“max” frequency rank
15785
confusion score

Side-by-Side Comparison

Feature mats max
Definition plural of mat Maximum; maximal.

Where the eye mixes mats and max

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
mats
3 ch
max

Visual trap between mats and max

These two trip readers on the page rather than in the ear: mats is /mæts/ while max is /mæks/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 15785, derived from the frequency rank of both members and their visual similarity.

mats is recorded at frequency rank #13,563, classified as anoun, pronounced /mæts/. max is at rank #2,222, tagged as anadj, pronounced /mæks/.

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 15785, this pair ranks #461,830 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mats vs max

Shared letters: am. Private to "mats": st. Private to "max": x.

"mats" · 4 letters · shape CVCC  ·  "max" · 3 letters · shape CVC

Known mistypes of this pair

  • matsamts · matss · matts · mmats · mtas

Frequently Asked Questions

Is swapping "mats" for "max" ever safe?
No - they are not even the same part of speech. "mats" is a noun and "max" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mats" or "max"?
"max" is the more common of the two: it sits at frequency rank #2,222 in our English list, against #13,563 for "mats". 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 "mats" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "max" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #461,830 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mats" and "max" also get mixed up with nearby pairs, the highest-scored neighbour is "mats vs MGS". 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 #461,830 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