vas vs vom, What's the Difference?

Which to use

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

#28,419
“vas” frequency rank: #40,961
“vom” frequency rank: 69380
confusion score

Side-by-Side Comparison

Feature	vas	vom
Definition	A vessel or duct transporting any bodily fluid, such as blood, lymph, chyle, or semen.	Vomit.

Where the eye mixes vas and vom

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

vas

3 ch

vom

Why the eye confuses vas with vom

A purely visual mix-up. vas (/ˈvæs/) 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 69380, derived from the frequency rank of both members and their visual similarity.

vas is recorded at frequency rank #28,419, classified as anoun, pronounced /ˈvæs/. 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 69380, this pair ranks #54,821 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of vas vs vom

Shared letters: v. Private to "vas": as. Private to "vom": mo.

"vas" · 3 letters · shape CVC · "vom" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "vas" for "vom" ever safe?

No. They are said differently (/ˈvæs/ versus /vɒm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

In ordinary English text, does "vas" or "vom" show up more?

"vas" is the more common of the two: it sits at frequency rank #28,419 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.

Useful next steps

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

Full dictionary entry for "vas" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "vom" - compare definitions side by side with the headword page. Word entry
This pair ranks #54,821 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"vas" and "vom" also get mixed up with nearby pairs, the highest-scored neighbour is "VH vs vom". Nearby pair

Confusion rank #54,821 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.