Which to use
“mph” is a noun and “my” is a determiner - they look or sound alike but fill different roles in a sentence.
- #6,813
- “mph” frequency rank
- #27
- “my” frequency rank
- 6840
- confusion score
Side-by-Side Comparison
| Feature | mph | my |
|---|---|---|
| Definition | Initialism of mile(s) per hour. | First-person singular possessive determiner. See Appendix:Possessive#English. |
Where the eye mixes mph and my
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: mph vs my
These two trip readers on the page rather than in the ear: mph is /ˌɛmpiˈeɪt͡ʃ/ while my is /maɪ/. 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 determiner), which is usually the fastest check. Our composite confusion score for this pair is 6840, derived from the frequency rank of both members and their visual similarity.
mph is recorded at frequency rank #6,813, classified as anoun, pronounced /ˌɛmpiˈeɪt͡ʃ/. my is at rank #27, tagged as adet, pronounced /maɪ/.
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 6840, this pair ranks #509,740 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of mph vs my
Shared letters: m. Private to "mph": hp. Private to "my": y.
"mph" · 3 letters · shape CCC · "my" · 2 letters · shape CV
Frequently Asked Questions
Can "mph" and "my" be used interchangeably?
Frequency check: "mph" vs "my" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "mph" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "my" - compare definitions side by side with the headword page. Word entry
- This pair ranks #509,740 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mph" and "my" also get mixed up with nearby pairs, the highest-scored neighbour is "MPAA vs mph". Nearby pair
Confusion rank #509,740 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.