marsvsmerWhat's the difference?

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

Which to use

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

#4,538
“mars” frequency rank
#19,904
“mer” frequency rank
24442
confusion score

Side-by-Side Comparison

Feature mars mer
Definition third-person singular simple present indicative of mar A repeat unit: a structural unit which through repetition forms a polymer.

Letter map: mars vs mer

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

4 ch
mars
3 ch
mer

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mars is averb and meranoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24442, 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/. mer is at rank #19,904, 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 24442, this pair ranks #401,921 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mars vs mer

Shared letters: mr. Private to "mars": as. Private to "mer": e.

"mars" · 4 letters · shape CVCC  ·  "mer" · 3 letters · shape CVC

Known mistypes of this pair

  • marsmarrs · marss · masr · mmars · mras

Frequently Asked Questions

Can "mars" and "mer" be used interchangeably?
No - they are not even the same part of speech. "mars" is a verb and "mer" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mars" or "mer"?
"mars" is the more common of the two: it sits at frequency rank #4,538 in our English list, against #19,904 for "mer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list