mansionvsmissionWhat's the difference?

Which to use

“mansion” and “mission” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#6,933
“mansion” frequency rank
#1,430
“mission” frequency rank
8363
confusion score

Side-by-Side Comparison

Feature mansion mission
Definition A large luxurious house or building, usually built for the wealthy. A set of tasks that fulfills a purpose or duty; an assignment set by an employer, or by oneself.

Where the eye mixes mansion and mission

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. mansion and mission follow the identical consonant-vowel pattern (CVCCVVC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
mansion
7 ch
mission

Why the eye confuses mansion with mission

A purely visual mix-up. mansion (/ˈmæn.ʃən/) and mission (/ˈmɪʃ.ən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 8363, derived from the frequency rank of both members and their visual similarity.

mansion is recorded at frequency rank #6,933, classified as anoun, pronounced /ˈmæn.ʃən/. mission is at rank #1,430, tagged as anoun, pronounced /ˈmɪʃ.ən/.

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 8363, this pair ranks #502,877 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mansion vs mission

Shared letters: imnos. Private to "mansion": a. Private to "mission": -.

"mansion" · 7 letters · shape CVCCVVC  ·  "mission" · 7 letters · shape CVCCVVC

Known mistypes of this pair

  • mansion ← amnsion · manison · mannsion · mansino · mansionn · mansoin · manssion · mantion
  • mission ← imssion · mision · misison · missino · missionn · missoin · mistion · mmission

Frequently Asked Questions

Is swapping "mansion" for "mission" ever safe?
No. They are said differently (/ˈmæn.ʃən/ versus /ˈmɪʃ.ən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "mansion" or "mission"?
"mission" is the more common of the two: it sits at frequency rank #1,430 in our English list, against #6,933 for "mansion". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "mansion" and "mission" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "mansion" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mission" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #502,877 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mansion" and "mission" also get mixed up with nearby pairs, the highest-scored neighbour is "mansion vs Marston". 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 #502,877 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