m9 vs my, What's the Difference?

Which to use

“m9” is a noun and “my” is a determiner - they look or sound alike but fill different roles in a sentence.

#41,746
“m9” frequency rank: #27
“my” frequency rank: 41773
confusion score

Side-by-Side Comparison

Feature	m9	my
Definition	Deliberate misspelling of m8.	First-person singular possessive determiner. See Appendix:Possessive#English.

Letter map: m9 vs my

Shared letters muted; letters that set m9 and my apart highlighted. Shared run: 1.

2 ch

Grammar separator: m9 vs my

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: m9 is anoun and myadeterminer. On the page they differ by a single letter - 9 in “m9” becomes y in “my”. Our composite confusion score for this pair is 41773, derived from the frequency rank of both members and their visual similarity.

m9 is recorded at frequency rank #41,746, classified as anoun. 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 41773, this pair ranks #255,306 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of m9 vs my

Shared letters: m. Private to "m9": -. Private to "my": y.

"m9" · 1 letters · shape C · "my" · 2 letters · shape CV

Frequently Asked Questions

Can "m9" and "my" be used interchangeably?

No - they are not even the same part of speech. "m9" is a noun and "my" a determiner, so a sentence built for one is usually ungrammatical with the other.

In ordinary English text, does "m9" or "my" show up more?

"my" is the more common of the two: it sits at frequency rank #27 in our English list, against #41,746 for "m9". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "m9" and "my".

Full dictionary entry for "m9" 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 #255,306 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"m9" and "my" also get mixed up with nearby pairs, the highest-scored neighbour is "m9 vs MMP". Nearby pair

Confusion rank #255,306 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.