cognitionvsconditionWhich spelling fits?

Which to use

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

#18,521
“cognition” frequency rank
#1,450
“condition” frequency rank
19971
confusion score

Side-by-Side Comparison

Feature cognition condition
Definition The process of knowing, of acquiring knowledge and understanding through thought and through the senses. A state or quality.

Where the eye mixes cognition and condition

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

9 ch
cognition
9 ch
condition

Visual trap between cognition and condition

A purely visual mix-up. cognition (/kɒɡˈnɪʃ.ən/) and condition (/kənˈdɪʃ(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 19971, derived from the frequency rank of both members and their visual similarity.

cognition is recorded at frequency rank #18,521, classified as anoun, pronounced /kɒɡˈnɪʃ.ən/. condition is at rank #1,450, tagged as anoun, pronounced /kənˈdɪʃ(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 19971, this pair ranks #434,417 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cognition vs condition

Shared letters: cinot. Private to "cognition": g. Private to "condition": d.

"cognition" · 9 letters · shape CVCCVCVVC  ·  "condition" · 9 letters · shape CVCCVCVVC

Known mistypes of this pair

  • cognitionccognition · cgonition · coggnition · cogintion · cogniiton · cognision · cognitino · cognitionn
  • conditionccondition · cnodition · codnition · conddition · condiiton · condision · conditino · conditionn

Frequently Asked Questions

Is swapping "cognition" for "condition" ever safe?
No. They are said differently (/kɒɡˈnɪʃ.ən/ versus /kənˈdɪʃ(ə)n/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "cognition" vs "condition" - which ranks higher?
"condition" is the more common of the two: it sits at frequency rank #1,450 in our English list, against #18,521 for "cognition". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "cognition" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "condition" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #434,417 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cognition" and "condition" also get mixed up with nearby pairs, the highest-scored neighbour is "condition vs contrition". 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 #434,417 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