Which to use
“mad” is an adjective and “mm” is a noun - they look or sound alike but fill different roles in a sentence.
- #14,642
- “mad” frequency rank
- #2,511
- “mm” frequency rank
- 17153
- confusion score
Side-by-Side Comparison
| Feature | mad | mm |
|---|---|---|
| Definition | Grafía alternativa de mat. | Abreviatura de milímetro. |
Where the eye mixes mad and mm
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: mad is /ˈmɑːt/ while mm is [ˈm]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 17153, derived from the frequency rank of both members and their visual similarity.
mad is recorded at frequency rank #14,642, classified as anadj, pronounced /ˈmɑːt/. mm is at rank #2,511, tagged as anoun, pronounced [ˈm].
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 17153, this pair ranks #273,345 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of mad vs mm
Shared letters: m. Private to "mad": ad. Private to "mm": -.
"mad" · 3 letters · shape CVC · "mm" · 2 letters · shape CC