marsvsMrConfusable pair

Quick tell: mars is a verb, Mr is a noun, so they fill different roles in a sentence.

Which to use

“mars” is a verb and “Mr” is a noun - they look or sound alike but fill different roles in a sentence.

#4,538
“mars” frequency rank
#192
“Mr” frequency rank
4730
confusion score

Side-by-Side Comparison

Feature mars Mr
Definition third-person singular simple present indicative of mar Abbreviation of Mister.

Letter map: mars vs Mr

Shared letters muted; letters that set mars and Mr apart highlighted. Shared run: 2.

4 ch
mars
2 ch
Mr

Part-of-speech tell for mars / Mr

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mars is averb and Mranoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 4730, derived from the frequency rank of both members and their visual similarity.

mars is recorded at frequency rank #4,538, classified as averb, pronounced /ˈmɑɹz/. Mr is at rank #192, 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 4730, this pair ranks #517,878 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mars vs Mr

Shared letters: mr. Private to "mars": as. Private to "Mr": -.

"mars" · 4 letters · shape CVCC  ·  "Mr" · 2 letters · shape CC

Known mistypes of this pair

  • marsmarrs · marss · masr · mmars · mras

Frequently Asked Questions

Is swapping "mars" for "Mr" ever safe?
No - they are not even the same part of speech. "mars" is a verb and "Mr" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mars" vs "Mr" - which ranks higher?
"Mr" is the more common of the two: it sits at frequency rank #192 in our English list, against #4,538 for "mars". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "mars" vs "Mr" is on the table, pick a follow-up below.

  • Full dictionary entry for "mars" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Mr" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #517,878 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mars" and "Mr" also get mixed up with nearby pairs, the highest-scored neighbour is "mars vs MGS". 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 #517,878 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