stunvssuWhat's the difference?

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

Which to use

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

#17,969
“stun” frequency rank
#8,094
“su” frequency rank
26063
confusion score

Side-by-Side Comparison

Feature stun su
Definition To incapacitate; especially by inducing disorientation or unconsciousness. Alternative form of xu (“former Vietnamese currency”).

Letter map: stun vs su

Shared letters muted; letters that set stun and su apart highlighted. Shared run: 2.

4 ch
stun
2 ch
su

Part-of-speech tell for stun / su

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: stun is averb and suanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 26063, derived from the frequency rank of both members and their visual similarity.

stun is recorded at frequency rank #17,969, classified as averb, pronounced /stʌn/. su is at rank #8,094, tagged as anoun.

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 26063, this pair ranks #389,490 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of stun vs su

Shared letters: su. Private to "stun": nt. Private to "su": -.

"stun" · 4 letters · shape CCVC  ·  "su" · 2 letters · shape CV

Known mistypes of this pair

  • stunsstun · stnu · sttun · stunn · sutn · tsun

Frequently Asked Questions

Do "stun" and "su" mean the same thing in a sentence?
No - they are not even the same part of speech. "stun" is a verb and "su" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "stun" or "su" show up more?
"su" is the more common of the two: it sits at frequency rank #8,094 in our English list, against #17,969 for "stun". 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 "stun" and "su".

  • Full dictionary entry for "stun" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "su" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #389,490 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "stun" and "su" also get mixed up with nearby pairs, the highest-scored neighbour is "stun vs Styx". 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 #389,490 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