conductionvsconnectionWhich spelling fits?

Which to use

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

#29,607
“conduction” frequency rank
#1,788
“connection” frequency rank
31395
confusion score

Side-by-Side Comparison

Feature conduction connection
Definition The conveying of heat or electricity through material. The act of connecting.

Where the eye mixes conduction and connection

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

10 ch
conduction
10 ch
connection

Why the eye confuses conduction with connection

A purely visual mix-up. conduction (/kənˈdʌkʃən/) and connection (/kəˈnɛkʃ(ə)n/) 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 31395, derived from the frequency rank of both members and their visual similarity.

conduction is recorded at frequency rank #29,607, classified as anoun, pronounced /kənˈdʌkʃən/. connection is at rank #1,788, tagged as anoun, pronounced /kəˈnɛkʃ(ə)n/.

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 31395, this pair ranks #346,490 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of conduction vs connection

Shared letters: cinot. Private to "conduction": du. Private to "connection": e.

"conduction" · 10 letters · shape CVCCVCCVVC  ·  "connection" · 10 letters · shape CVCCVCCVVC

Known mistypes of this pair

  • conductioncconduction · cnoduction · codnuction · condcution · condduction · conducction · conduciton · conducsion
  • connectioncconnection · cnonection · conection · conenction · conncetion · connecction · conneciton · connecsion

Frequently Asked Questions

Can "conduction" and "connection" be used interchangeably?
No. They are said differently (/kənˈdʌkʃən/ versus /kəˈnɛkʃ(ə)n/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "conduction" or "connection"?
"connection" is the more common of the two: it sits at frequency rank #1,788 in our English list, against #29,607 for "conduction". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "conduction" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "connection" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #346,490 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "conduction" and "connection" also get mixed up with nearby pairs, the highest-scored neighbour is "concoction vs conduction". 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 #346,490 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