vailvsvastWhat's the difference?

Quick tell: vail is a noun, vast is an adjective, so they fill different roles in a sentence.

Which to use

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

#27,016
“vail” frequency rank
#3,096
“vast” frequency rank
30112
confusion score

Side-by-Side Comparison

Feature vail vast
Definition Profit; return; proceeds. Very large or wide (literally or figuratively).

Where the eye mixes vail and vast

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
vail
4 ch
vast

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: vail is /veɪl/ while vast is /vɑːst/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 30112, derived from the frequency rank of both members and their visual similarity.

vail is recorded at frequency rank #27,016, classified as anoun, pronounced /veɪl/. vast is at rank #3,096, tagged as anadj, pronounced /vɑːst/.

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 30112, this pair ranks #357,266 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vail vs vast

Shared letters: av. Private to "vail": il. Private to "vast": st.

"vail" · 4 letters · shape CVVC  ·  "vast" · 4 letters · shape CVCC

Known mistypes of this pair

  • vailavil · vaill · vali · vvail
  • vastavst · vasst · vastt · vats · vsat · vvast

Frequently Asked Questions

Can "vail" and "vast" be used interchangeably?
No - they are not even the same part of speech. "vail" is a noun and "vast" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "vail" or "vast"?
"vast" is the more common of the two: it sits at frequency rank #3,096 in our English list, against #27,016 for "vail". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "vail" and "vast". Here's where to go from here.

  • Full dictionary entry for "vail" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "vast" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #357,266 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "vail" and "vast" also get mixed up with nearby pairs, the highest-scored neighbour is "vaca vs vail". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list