decoyvsduchyTell them apart

Which to use

“decoy” and “duchy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#27,424
“decoy” frequency rank
#28,900
“duchy” frequency rank
56324
confusion score

Side-by-Side Comparison

Feature decoy duchy
Definition A person or object meant to lure somebody into danger. A dominion or region ruled by a duke or duchess.

Where the eye mixes decoy and duchy

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. decoy (CVCVV) and duchy (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
decoy
5 ch
duchy

Look-alike desk: decoy vs duchy

A purely visual mix-up. decoy (/ˈdiːkɔɪ/) and duchy (/ˈdʌt͡ʃi/) 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 2 positions. Our composite confusion score for this pair is 56324, derived from the frequency rank of both members and their visual similarity.

decoy is recorded at frequency rank #27,424, classified as anoun, pronounced /ˈdiːkɔɪ/. duchy is at rank #28,900, tagged as anoun, pronounced /ˈdʌt͡ʃi/.

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 56324, this pair ranks #127,093 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of decoy vs duchy

Shared letters: cdy. Private to "decoy": eo. Private to "duchy": hu.

"decoy" · 5 letters · shape CVCVV  ·  "duchy" · 5 letters · shape CVCCV

Known mistypes of this pair

  • decoy ← dceoy · ddecoy · deccoy · decoyy · decyo · deocy · edcoy
  • duchy ← dcuhy · dduchy · ducchy · duchhy · duchyy · ducyh · duhcy · udchy

Frequently Asked Questions

Do "decoy" and "duchy" mean the same thing in a sentence?
No. They are said differently (/ˈdiːkɔɪ/ versus /ˈdʌt͡ʃi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "decoy" vs "duchy" - which ranks higher?
"decoy" is the more common of the two: it sits at frequency rank #27,424 in our English list, against #28,900 for "duchy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "decoy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "duchy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #127,093 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "decoy" and "duchy" also get mixed up with nearby pairs, the highest-scored neighbour is "decry vs duchy". 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 #127,093 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