vigilvsviralWhat's the difference?

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

Which to use

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

#21,407
“vigil” frequency rank
#6,314
“viral” frequency rank
27721
confusion score

Side-by-Side Comparison

Feature vigil viral
Definition An instance of keeping awake during normal sleeping hours, especially to keep watch or pray. Of or relating to a biological virus.

Where the spellings diverge

Shared letters are muted; the letters that actually set vigil and viral apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
vigil
5 ch
viral

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: vigil is /ˈvɪd͡ʒəl/ while viral is /ˈvaɪɹəl/. 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 27721, derived from the frequency rank of both members and their visual similarity.

vigil is recorded at frequency rank #21,407, classified as anoun, pronounced /ˈvɪd͡ʒəl/. viral is at rank #6,314, tagged as anadj, pronounced /ˈvaɪɹəl/.

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 27721, this pair ranks #376,633 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vigil vs viral

Shared letters: ilv. Private to "vigil": g. Private to "viral": ar.

"vigil" · 5 letters · shape CVCVC  ·  "viral" · 5 letters · shape CVCVC

Known mistypes of this pair

  • vigilivgil · vgiil · viggil · vigill · vigli · viigl · vvigil
  • viralivral · viarl · virall · virla · virral · vrial · vviral

Frequency comparison

vigil#21,407
viral#6,314

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "vigil" and "viral" be used interchangeably?
No - they are not even the same part of speech. "vigil" is a noun and "viral" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "vigil" or "viral"?
"viral" is the more common of the two: it sits at frequency rank #6,314 in our English list, against #21,407 for "vigil". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering vigil vs viral

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “vigil”; for an adjective, it's “viral”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “vigil” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list