decadevsdecoderWhat's the difference?

Which to use

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

#2,886
“decade” frequency rank
#35,248
“decoder” frequency rank
38134
confusion score

Side-by-Side Comparison

Feature decade decoder
Definition A group, set, or series of ten , particularly A person who decodes secret messages

Where the eye mixes decade and decoder

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
decade
7 ch
decoder

Look-alike desk: decade vs decoder

A purely visual mix-up. decade (/ˈdɛkeɪd/) and decoder (/dɪˈkəʊdə(ɹ)/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 38134, derived from the frequency rank of both members and their visual similarity.

decade is recorded at frequency rank #2,886, classified as anoun, pronounced /ˈdɛkeɪd/. decoder is at rank #35,248, tagged as anoun, pronounced /dɪˈkəʊdə(ɹ)/.

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 38134, this pair ranks #288,547 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of decade vs decoder

Shared letters: cde. Private to "decade": a. Private to "decoder": or.

"decade" · 6 letters · shape CVCVCV  ·  "decoder" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • decadedceade · ddecade · deacde · decadde · decaed · deccade · decdae · edcade
  • decoderdceoder · ddecoder · deccoder · decdoer · decodder · decoderr · decodre · decoedr

Frequently Asked Questions

Do "decade" and "decoder" mean the same thing in a sentence?
No. They are said differently (/ˈdɛkeɪd/ versus /dɪˈkəʊdə(ɹ)/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "decade" vs "decoder" - which ranks higher?
"decade" is the more common of the two: it sits at frequency rank #2,886 in our English list, against #35,248 for "decoder". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "decade" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decoder" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #288,547 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "decade" and "decoder" also get mixed up with nearby pairs, the highest-scored neighbour is "decider vs decoder". 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 #288,547 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