souvssueTell them apart

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

Which to use

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

#35,525
“sou” frequency rank
#4,985
“sue” frequency rank
40510
confusion score

Side-by-Side Comparison

Feature sou sue
Definition An old French copper coin equal to one twentieth of a livre or twelve deniers; one sou is to the livre as one shilling is to the pound. To file a legal action against someone, generally a non-criminal (civil) action.

Where the eye mixes sou and sue

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
sou
3 ch
sue

Visual trap between sou and sue

These two trip readers on the page rather than in the ear: sou is /suː/ while sue is /sjuː/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 40510, derived from the frequency rank of both members and their visual similarity.

sou is recorded at frequency rank #35,525, classified as anoun, pronounced /suː/. sue is at rank #4,985, tagged as averb, pronounced /sjuː/.

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 40510, this pair ranks #266,906 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sou vs sue

Shared letters: su. Private to "sou": o. Private to "sue": e.

"sou" · 3 letters · shape CVV  ·  "sue" · 3 letters · shape CVV

Frequently Asked Questions

Do "sou" and "sue" mean the same thing in a sentence?
No - they are not even the same part of speech. "sou" is a noun and "sue" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sou" vs "sue" - which ranks higher?
"sue" is the more common of the two: it sits at frequency rank #4,985 in our English list, against #35,525 for "sou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "sou" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sue" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #266,906 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sou" and "sue" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs sou". Nearby pair

Confusion rank #266,906 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