connectionvsconvectionWhat's the difference?

Which to use

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

#1,788
“connection” frequency rank
#21,759
“convection” frequency rank
23547
confusion score

Side-by-Side Comparison

Feature connection convection
Definition The act of connecting. The process of conveying something.

Where the eye mixes connection and convection

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

10 ch
connection
10 ch
convection

Why the eye confuses connection with convection

A purely visual mix-up. connection (/kəˈnɛkʃ(ə)n/) and convection (/kənˈvɛkʃən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - n in “connection” becomes v in “convection”. Our composite confusion score for this pair is 23547, derived from the frequency rank of both members and their visual similarity.

connection is recorded at frequency rank #1,788, classified as anoun, pronounced /kəˈnɛkʃ(ə)n/. convection is at rank #21,759, tagged as anoun, pronounced /kənˈvɛkʃən/.

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 23547, this pair ranks #408,524 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of connection vs convection

Shared letters: ceinot. Private to "connection": -. Private to "convection": v.

"connection" · 10 letters · shape CVCCVCCVVC  ·  "convection" · 10 letters · shape CVCCVCCVVC

Known mistypes of this pair

  • connectioncconnection · cnonection · conection · conenction · conncetion · connecction · conneciton · connecsion
  • convectioncconvection · cnovection · conevction · connvection · convcetion · convecction · conveciton · convecsion

Frequently Asked Questions

Is swapping "connection" for "convection" ever safe?
No. They are said differently (/kəˈnɛkʃ(ə)n/ versus /kənˈvɛkʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "connection" or "convection" show up more?
"connection" is the more common of the two: it sits at frequency rank #1,788 in our English list, against #21,759 for "convection". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "connection" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "convection" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #408,524 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "connection" and "convection" also get mixed up with nearby pairs, the highest-scored neighbour is "convection vs convective". 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 #408,524 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