Which to use
“su” is a noun and “sunk” is a verb - they look or sound alike but fill different roles in a sentence.
- #8,094
- “su” frequency rank
- #10,617
- “sunk” frequency rank
- 18711
- confusion score
Side-by-Side Comparison
| Feature | su | sunk |
|---|---|---|
| Definition | Alternative form of xu (“former Vietnamese currency”). | past participle of sink |
Letter map: su vs sunk
Shared letters muted; letters that set su and sunk apart highlighted. Shared run: 2.
Part-of-speech tell for su / sunk
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: su is anoun and sunkaverb. On the page they differ by 2 extra letter(s) - “su” sits inside “sunk”. Our composite confusion score for this pair is 18711, derived from the frequency rank of both members and their visual similarity.
su is recorded at frequency rank #8,094, classified as anoun. sunk is at rank #10,617, tagged as averb, pronounced /sʌŋk/.
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 18711, this pair ranks #443,053 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of su vs sunk
Shared letters: su. Private to "su": -. Private to "sunk": kn.
"su" · 2 letters · shape CV · "sunk" · 4 letters · shape CVCC
Known mistypes of this pair
- sunk ← snuk · ssunk · sukn · sunkk · sunnk · usnk
Frequently Asked Questions
Can "su" and "sunk" be used interchangeably?
Frequency check: "su" vs "sunk" - which ranks higher?
After this comparison
Pair "su" vs "sunk" is on the table, pick a follow-up below.
- Full dictionary entry for "su" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sunk" - compare definitions side by side with the headword page. Word entry
- This pair ranks #443,053 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "su" and "sunk" also get mixed up with nearby pairs, the highest-scored neighbour is "sunk vs sura". 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 #443,053 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.