semestrevssemestresWhich spelling fits?

Which to use

“semestre” and “semestres” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#5,045
“semestre” frequency rank
#32,398
“semestres” frequency rank
37443
confusion score

Side-by-Side Comparison

Feature semestre semestres
Definition Porción de tiempo que dura seis meses, lo que equivale a la mitad de un año. En cada año calendario hay dos semestres, nos podemos referir a ellos como primer semestre, que va desde el 1 de enero hasta el 30 de junio, y segundo semestre, que va desde el 1 de julio hasta el 31 de diciembre. Forma del plural de semestre.

Where the eye mixes semestre and semestres

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. semestre runs 8 letters (CVCVCCCV) against semestres's 9 (CVCVCCCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
semestre
9 ch
semestres

Look-alike desk: semestre vs semestres

A purely visual mix-up. semestre ([seˈmest̪ɾe]) and semestres ([seˈmest̪ɾes]) 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 extra letter(s) - “semestre” sits inside “semestres”. Our composite confusion score for this pair is 37443, derived from the frequency rank of both members and their visual similarity.

semestre is recorded at frequency rank #5,045, classified as anoun, pronounced [seˈmest̪ɾe]. semestres is at rank #32,398, tagged as anoun, pronounced [seˈmest̪ɾes].

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 37443, this pair ranks #175,277 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of semestre vs semestres

Shared letters: emrst. Private to "semestre": -. Private to "semestres": -.

"semestre" · 8 letters · shape CVCVCCCV  ·  "semestres" · 9 letters · shape CVCVCCCVC

Known mistypes of this pair

  • semestrecemestre · esmestre · seemstre · semesrte · semesstre · semester · semestrre · semesttre
  • semestrescemestres · esmestres · seemstres · semesrtes · semesstres · semesters · semestress · semestrres

Frequently Asked Questions

Can "semestre" and "semestres" be used interchangeably?
No. They are said differently ([seˈmest̪ɾe] versus [seˈmest̪ɾes]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "semestre" vs "semestres" - which ranks higher?
"semestre" is the more common of the two: it sits at frequency rank #5,045 in our Spanish list, against #32,398 for "semestres". 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 "semestre" and "semestres" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "semestre" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "semestres" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #175,277 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "semestre" and "semestres" also get mixed up with nearby pairs, the highest-scored neighbour is "semestral vs semestres". 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 #175,277 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