écuvsEPOTell them apart

Which to use

“écu” and “EPO” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#28,025
“écu” frequency rank
#49,067
“EPO” frequency rank
77092
confusion score

Side-by-Side Comparison

Feature écu EPO
Definition Bouclier que portaient autrefois les chevaliers. Hormone glycoprotéique, facteur de croissance des précurseurs des globules rouges dans la moelle osseuse.

Where the eye mixes écu and EPO

Muted = shared; highlighted = the visual trap. No shared run - shape, not overlap, is the trap. écu and EPO follow the identical consonant-vowel pattern (VCV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
écu
3 ch
EPO

Look-alike desk: écu vs EPO

A purely visual mix-up. écu (\e.ky\) and EPO (\ø.pe.o\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 77092, derived from the frequency rank of both members and their visual similarity.

écu is recorded at frequency rank #28,025, classified as anoun, pronounced \e.ky\. EPO is at rank #49,067, tagged as anoun, pronounced \ø.pe.o\.

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 77092, this pair ranks #29,339 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of écu vs EPO

Shared letters: none. Private to "écu": cué. Private to "EPO": eop.

"écu" · 3 letters · shape VCV  ·  "EPO" · 3 letters · shape VCV

Frequently Asked Questions

Do "écu" and "EPO" mean the same thing in a sentence?
No. They are said differently (\e.ky\ versus \ø.pe.o\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "écu" vs "EPO" - which ranks higher?
"écu" is the more common of the two: it sits at frequency rank #28,025 in our French list, against #49,067 for "EPO". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "écu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "EPO" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,339 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "écu" and "EPO" also get mixed up with nearby pairs, the highest-scored neighbour is "ell vs EPO". Nearby pair

Confusion rank #29,339 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list