milvsMSTell them apart

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

Which to use

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

#10,579
“mil” frequency rank
#2,167
“MS” frequency rank
12746
confusion score

Side-by-Side Comparison

Feature mil MS
Definition An angular mil, a unit of angular measurement equal to ¹⁄₆₄₀₀ of a complete circle. At 1000 metres one mil subtends about one metre (0.98 m). Also ¹⁄₆₀₀₀ and ¹⁄₆₃₀₀ are used in other countries. Abbreviation of Mato Grosso do Sul: a state of Brazil.

Letter map: mil vs MS

Shared letters muted; letters that set mil and MS apart highlighted. Shared run: 1.

3 ch
mil
2 ch
MS

Part-of-speech tell for mil / MS

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mil is anoun and MSaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 12746, derived from the frequency rank of both members and their visual similarity.

mil is recorded at frequency rank #10,579, classified as anoun, pronounced /mɪl/. MS is at rank #2,167, tagged as aname.

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 12746, this pair ranks #479,786 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mil vs MS

Shared letters: m. Private to "mil": il. Private to "MS": s.

"mil" · 3 letters · shape CVC  ·  "MS" · 2 letters · shape CC

Frequently Asked Questions

Can "mil" and "MS" be used interchangeably?
No - they are not even the same part of speech. "mil" is a noun and "MS" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mil" or "MS"?
"MS" is the more common of the two: it sits at frequency rank #2,167 in our English list, against #10,579 for "mil". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "mil" and "MS".

  • Full dictionary entry for "mil" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "MS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #479,786 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mil" and "MS" also get mixed up with nearby pairs, the highest-scored neighbour is "mil vs MMP". Nearby pair

Confusion rank #479,786 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