MeivsMOWhich spelling fits?

Quick tell: Mei is a name, MO is a noun, so they fill different roles in a sentence.

Which to use

“Mei” is a name and “MO” is a noun - they look or sound alike but fill different roles in a sentence.

#17,413
“Mei” frequency rank
#3,770
“MO” frequency rank
21183
confusion score

Side-by-Side Comparison

Feature Mei MO
Definition A female given name from Mandarin. Initialism of modus operandi.

Letter map: Mei vs MO

Shared letters muted; letters that set Mei and MO apart highlighted. Shared run: 1.

3 ch
Mei
2 ch
MO

Part-of-speech tell for Mei / MO

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Mei is aname and MOanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 21183, derived from the frequency rank of both members and their visual similarity.

Mei is recorded at frequency rank #17,413, classified as aname, pronounced /meɪ/. MO is at rank #3,770, 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 21183, this pair ranks #425,762 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Mei vs MO

Shared letters: m. Private to "Mei": ei. Private to "MO": o.

"Mei" · 3 letters · shape CVV  ·  "MO" · 2 letters · shape CV

Frequently Asked Questions

Can "Mei" and "MO" be used interchangeably?
No - they are not even the same part of speech. "Mei" is a name and "MO" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Mei" vs "MO" - which ranks higher?
"MO" is the more common of the two: it sits at frequency rank #3,770 in our English list, against #17,413 for "Mei". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "Mei" and "MO".

  • Full dictionary entry for "Mei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "MO" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #425,762 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Mei" and "MO" also get mixed up with nearby pairs, the highest-scored neighbour is "Mei vs MMP". Nearby pair

Confusion rank #425,762 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