VDvsvexConfusable pair

Quick tell: VD is a noun, vex is a verb, so they fill different roles in a sentence.

Which to use

“VD” is a noun and “vex” is a verb - they look or sound alike but fill different roles in a sentence.

#41,942
“VD” frequency rank
#35,148
“vex” frequency rank
77090
confusion score

Side-by-Side Comparison

Feature VD vex
Definition The design diving speed of an aircraft; the highest speed which the aircraft is planned to reach during flight testing. Always higher than VNE (the speed that must not be exceeded in service). To annoy, irritate.

Letter map: VD vs vex

Shared letters muted; letters that set VD and vex apart highlighted. Shared run: 1. VD runs 2 letters (CC) against vex's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

2 ch
VD
3 ch
vex

Role in the sentence - VD and vex

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: VD is anoun and vexaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 77090, derived from the frequency rank of both members and their visual similarity.

VD is recorded at frequency rank #41,942, classified as anoun. vex is at rank #35,148, tagged as averb, pronounced /vɛks/.

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 77090, this pair ranks #28,252 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of VD vs vex

Shared letters: v. Private to "VD": d. Private to "vex": ex.

"VD" · 2 letters · shape CC  ·  "vex" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "VD" for "vex" ever safe?
No - they are not even the same part of speech. "VD" is a noun and "vex" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "VD" vs "vex" - which ranks higher?
"vex" is the more common of the two: it sits at frequency rank #35,148 in our English list, against #41,942 for "VD". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "VD" and "vex".

  • Full dictionary entry for "VD" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "vex" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,252 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "VD" and "vex" also get mixed up with nearby pairs, the highest-scored neighbour is "VD vs VH". Nearby pair

Confusion rank #28,252 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