futilevsfutureWhich spelling fits?

Quick tell: futile is a adjective, future is a noun, so they fill different roles in a sentence.

Which to use

“futile” is an adjective and “future” is a noun - they look or sound alike but fill different roles in a sentence.

#17,367
“futile” frequency rank
#466
“future” frequency rank
17833
confusion score

Side-by-Side Comparison

Feature futile future
Definition Incapable of producing results, useless; doomed not to be successful; not worth attempting. The time ahead; those moments yet to be experienced.

Where the eye mixes futile and future

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

6 ch
futile
6 ch
future

Visual trap between futile and future

These two trip readers on the page rather than in the ear: futile is /ˈfjuː.taɪl/ while future is /ˈfjuː.t͡ʃə(ɹ)/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 17833, derived from the frequency rank of both members and their visual similarity.

futile is recorded at frequency rank #17,367, classified as anadj, pronounced /ˈfjuː.taɪl/. future is at rank #466, tagged as anoun, pronounced /ˈfjuː.t͡ʃə(ɹ)/.

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 17833, this pair ranks #448,832 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of futile vs future

Shared letters: eftu. Private to "futile": il. Private to "future": r.

"futile" · 6 letters · shape CVCVCV  ·  "future" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • futileffutile · ftuile · fuitle · futiel · futille · futlie · futtile · uftile
  • futureffuture · ftuure · futrue · futture · futuer · futurre · fuutre · ufture

Frequently Asked Questions

Can "futile" and "future" be used interchangeably?
No - they are not even the same part of speech. "futile" is an adjective and "future" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "futile" or "future" show up more?
"future" is the more common of the two: it sits at frequency rank #466 in our English list, against #17,367 for "futile". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "futile" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "future" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #448,832 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "futile" and "future" also get mixed up with nearby pairs, the highest-scored neighbour is "facile vs futile". 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 #448,832 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