inflectionvsinfractionWhich spelling fits?

Which to use

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

#33,686
“inflection” frequency rank
#32,865
“infraction” frequency rank
66551
confusion score

Side-by-Side Comparison

Feature inflection infraction
Definition The linguistic phenomenon of morphological variation, whereby terms take a number of distinct forms in order to express different grammatical features. A minor offence, petty crime.

Where the eye mixes inflection and infraction

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

10 ch
inflection
10 ch
infraction

Look-alike desk: inflection vs infraction

A purely visual mix-up. inflection (/ɪnˈflɛkʃən/) and infraction (/ɪnˈfɹakʃən/) 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 66551, derived from the frequency rank of both members and their visual similarity.

inflection is recorded at frequency rank #33,686, classified as anoun, pronounced /ɪnˈflɛkʃən/. infraction is at rank #32,865, tagged as anoun, pronounced /ɪnˈfɹakʃən/.

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 66551, this pair ranks #67,445 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of inflection vs infraction

Shared letters: cfinot. Private to "inflection": el. Private to "infraction": ar.

"inflection" · 10 letters · shape VCCCVCCVVC  ·  "infraction" · 10 letters · shape VCCCVCCVVC

Known mistypes of this pair

  • inflectionifnlection · infelction · infflection · inflcetion · inflecction · infleciton · inflecsion · inflectino
  • infractionifnraction · inffraction · infracction · infraciton · infracsion · infractino · infractionn · infractoin

Frequently Asked Questions

Can "inflection" and "infraction" be used interchangeably?
No. They are said differently (/ɪnˈflɛkʃən/ versus /ɪnˈfɹakʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "inflection" vs "infraction" - which ranks higher?
"infraction" is the more common of the two: it sits at frequency rank #32,865 in our English list, against #33,686 for "inflection". 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 "inflection" and "infraction" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "inflection" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "infraction" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #67,445 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "inflection" and "infraction" also get mixed up with nearby pairs, the highest-scored neighbour is "infarction vs inflection". 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 #67,445 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