Which to use
“mobility” and “motility” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,594
- “mobility” frequency rank
- #43,268
- “motility” frequency rank
- 49862
- confusion score
Side-by-Side Comparison
| Feature | mobility | motility |
|---|---|---|
| Definition | The ability to move; capacity for movement. | The state of being motile (moving) |
Letter map: mobility vs motility
Shared letters muted; letters that set mobility and motility apart highlighted. Shared run: 7.
Corpus notes: mobility and motility
mobility and motility are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - b in “mobility” becomes t in “motility”. Our composite confusion score for this pair is 49862, derived from the frequency rank of both members and their visual similarity.
mobility is recorded at frequency rank #6,594, classified as anoun, pronounced /mə(ʊ)ˈbɪlɪti/. motility is at rank #43,268, tagged as anoun.
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 49862, this pair ranks #179,587 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of mobility vs motility
Shared letters: ilmoty. Private to "mobility": b. Private to "motility": -.
"mobility" · 8 letters · shape CVCVCVCV · "motility" · 8 letters · shape CVCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "mobility" and "motility" mean the same thing in a sentence?
In ordinary English text, does "mobility" or "motility" show up more?
After this comparison
You've compared "mobility" and "motility". Here's where to go from here.
- Full dictionary entry for "mobility" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "motility" - compare definitions side by side with the headword page. Word entry
- This pair ranks #179,587 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mobility" and "motility" also get mixed up with nearby pairs, the highest-scored neighbour is "modality vs motility". 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 #179,587 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.