vasvsVascoTell them apart

Quick tell: vas is a noun, Vasco is a name, so they fill different roles in a sentence.

Which to use

“vas” is a noun and “Vasco” is a name - they look or sound alike but fill different roles in a sentence.

#28,419
“vas” frequency rank
#42,981
“Vasco” frequency rank
71400
confusion score

Side-by-Side Comparison

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

Letter map: vas vs Vasco

Shared letters muted; letters that set vas and Vasco apart highlighted. Shared run: 3. vas runs 3 letters (CVC) against Vasco's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
vas
5 ch
Vasco

Role in the sentence - vas and Vasco

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: vas is anoun and Vascoaname. On the page they differ by 2 extra letter(s) - “vas” sits inside “Vasco”. Our composite confusion score for this pair is 71400, 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/. Vasco is at rank #42,981, tagged as aname.

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 71400, this pair ranks #46,898 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of vas vs Vasco

Shared letters: asv. Private to "vas": -. Private to "Vasco": co.

"vas" · 3 letters · shape CVC  ·  "Vasco" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Vasco ← avsco · vacso · vascco · vasoc · vassco · vsaco · vvasco

Frequently Asked Questions

Is swapping "vas" for "Vasco" ever safe?
No - they are not even the same part of speech. "vas" is a noun and "Vasco" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "vas" vs "Vasco" - which ranks higher?
"vas" is the more common of the two: it sits at frequency rank #28,419 in our English list, against #42,981 for "Vasco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "vas" vs "Vasco" is on the table, pick a follow-up below.

  • Full dictionary entry for "vas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Vasco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,898 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "vas" and "Vasco" also get mixed up with nearby pairs, the highest-scored neighbour is "vaca vs Vasco". 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 #46,898 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