validationvsvariationTell them apart

Which to use

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

#11,633
“validation” frequency rank
#6,312
“variation” frequency rank
17945
confusion score

Side-by-Side Comparison

Feature validation variation
Definition The act of validating something. The act of varying; a partial change in the form, position, state, or qualities of a thing.

Where the eye mixes validation and variation

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

10 ch
validation
9 ch
variation

Visual trap between validation and variation

A purely visual mix-up. validation (/ˌvæl.əˈdeɪ.ʃən/) and variation (/ˌvɛəɹɪˈeɪʃn̩/) 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 1 letter(s) in length. Our composite confusion score for this pair is 17945, derived from the frequency rank of both members and their visual similarity.

validation is recorded at frequency rank #11,633, classified as anoun, pronounced /ˌvæl.əˈdeɪ.ʃən/. variation is at rank #6,312, tagged as anoun, pronounced /ˌvɛəɹɪˈeɪʃn̩/.

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 17945, this pair ranks #448,149 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of validation vs variation

Shared letters: ainotv. Private to "validation": dl. Private to "variation": r.

"validation" · 10 letters · shape CVCVCVCVVC  ·  "variation" · 9 letters · shape CVCVVCVVC

Known mistypes of this pair

  • validationavlidation · vaildation · valdiation · valiadtion · validaiton · validasion · validatino · validationn
  • variationavriation · vairation · varaition · variaiton · variasion · variatino · variationn · variatoin

Frequently Asked Questions

Do "validation" and "variation" mean the same thing in a sentence?
No. They are said differently (/ˌvæl.əˈdeɪ.ʃən/ versus /ˌvɛəɹɪˈeɪʃn̩/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "validation" vs "variation" - which ranks higher?
"variation" is the more common of the two: it sits at frequency rank #6,312 in our English list, against #11,633 for "validation". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "validation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "variation" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #448,149 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "validation" and "variation" also get mixed up with nearby pairs, the highest-scored neighbour is "validation vs valuation". 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 #448,149 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