vacvsvomWhat's the difference?

Which to use

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

#31,026
“vac” frequency rank
#40,961
“vom” frequency rank
71987
confusion score

Side-by-Side Comparison

Feature vac vom
Definition Clipping of vacation (“extended period of time away from work or school”). Vomit.

Where the spellings diverge

Shared letters are muted; the letters that actually set vac and vom apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
vac
3 ch
vom

Spelling & Dictionary Insight

A purely visual mix-up. vac (/væk/) and vom (/vɒm/) 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 71987, derived from the frequency rank of both members and their visual similarity.

vac is recorded at frequency rank #31,026, classified as anoun, pronounced /væk/. vom is at rank #40,961, tagged as anoun, pronounced /vɒm/.

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 71987, this pair ranks #44,635 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of vac vs vom

Shared letters: v. Private to "vac": ac. Private to "vom": mo.

"vac" · 3 letters · shape CVC  ·  "vom" · 3 letters · shape CVC

Frequency comparison

vac#31,026
vom#40,961

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "vac" and "vom" be used interchangeably?
No. They are said differently (/væk/ versus /vɒm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "vac" or "vom"?
"vac" is the more common of the two: it sits at frequency rank #31,026 in our English list, against #40,961 for "vom". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering vac vs vom

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “vac” 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