decidevsdefileWhich spelling fits?

Which to use

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

#1,715
“decide” frequency rank
#44,153
“defile” frequency rank
45868
confusion score

Side-by-Side Comparison

Feature decide defile
Definition To resolve (a contest, problem, dispute, etc.); to choose, determine, or settle. To make (someone or something) physically dirty or unclean; to befoul, to soil.

Where the eye mixes decide and defile

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
decide
6 ch
defile

Look-alike desk: decide vs defile

A purely visual mix-up. decide (/dɪˈsaɪd/) and defile (/dɪˈfaɪl/) 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 45868, derived from the frequency rank of both members and their visual similarity.

decide is recorded at frequency rank #1,715, classified as averb, pronounced /dɪˈsaɪd/. defile is at rank #44,153, tagged as averb, pronounced /dɪˈfaɪl/.

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 45868, this pair ranks #217,125 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of decide vs defile

Shared letters: dei. Private to "decide": c. Private to "defile": fl.

"decide" · 6 letters · shape CVCVCV  ·  "defile" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • decidedceide · ddecide · deccide · decdie · decied · deicde · edcide
  • defileddefile · deffile · defiel · defille · deflie · deifle · dfeile · edfile

Frequently Asked Questions

Can "decide" and "defile" be used interchangeably?
No. They are said differently (/dɪˈsaɪd/ versus /dɪˈfaɪl/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "decide" or "defile"?
"decide" is the more common of the two: it sits at frequency rank #1,715 in our English list, against #44,153 for "defile". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "decide" and "defile" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "decide" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "defile" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #217,125 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "decide" and "defile" also get mixed up with nearby pairs, the highest-scored neighbour is "defile vs defiled". 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 #217,125 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