décimavsdecirWhat's the difference?

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

Which to use

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

#11,562
“décima” frequency rank
#131
“decir” frequency rank
11693
confusion score

Side-by-Side Comparison

Feature décima decir
Definition Cada parte de las diez en que se dividen ciertas medidas, como los grados en un termómetro, las micras, etc. Manifestar con palabras el pensamiento.

Where the eye mixes décima and decir

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

6 ch
décima
5 ch
decir

Look-alike desk: décima vs decir

These two trip readers on the page rather than in the ear: décima is [ˈd̪esima] while decir is [d̪eˈsiɾ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 11693, derived from the frequency rank of both members and their visual similarity.

décima is recorded at frequency rank #11,562, classified as anoun, pronounced [ˈd̪esima]. decir is at rank #131, tagged as averb, pronounced [d̪eˈsiɾ].

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 11693, this pair ranks #294,205 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of décima vs decir

Shared letters: cdi. Private to "décima": amé. Private to "decir": er.

"décima" · 6 letters · shape CVCVCV  ·  "decir" · 5 letters · shape CVCVC

Known mistypes of this pair

  • decirdceir · ddecir · deccir · decirr · decri · deicr · desir · edcir

Frequently Asked Questions

Do "décima" and "decir" mean the same thing in a sentence?
No - they are not even the same part of speech. "décima" is a noun and "decir" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "décima" vs "decir" - which ranks higher?
"decir" is the more common of the two: it sits at frequency rank #131 in our Spanish list, against #11,562 for "décima". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "décima" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #294,205 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "décima" and "decir" also get mixed up with nearby pairs, the highest-scored neighbour is "decí vs décima". 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 #294,205 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list