tensasvstesisTell them apart

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

Which to use

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

#36,322
“tensas” frequency rank
#3,659
“tesis” frequency rank
39981
confusion score

Side-by-Side Comparison

Feature tensas tesis
Definition Segunda persona del singular (tú) del presente de indicativo de tensar. Proposición o conclusión para debate

Where the eye mixes tensas and tesis

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. tensas runs 6 letters (CVCCVC) against tesis's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
tensas
5 ch
tesis

Visual trap between tensas and tesis

These two trip readers on the page rather than in the ear: tensas is [ˈt̪ẽnsas] while tesis is [ˈt̪esis]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39981, derived from the frequency rank of both members and their visual similarity.

tensas is recorded at frequency rank #36,322, classified as averb, pronounced [ˈt̪ẽnsas]. tesis is at rank #3,659, tagged as anoun, pronounced [ˈt̪esis].

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 39981, this pair ranks #161,570 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tensas vs tesis

Shared letters: est. Private to "tensas": an. Private to "tesis": i.

"tensas" · 6 letters · shape CVCCVC  ·  "tesis" · 5 letters · shape CVCVC

Known mistypes of this pair

  • tensas ← etnsas · tenass · tennsas · tensass · tenssas · tesnas · tnesas · ttensas
  • tesis ← etsis · tecis · teiss · tesiss · tessi · tessis · tseis · ttesis

Frequently Asked Questions

Is swapping "tensas" for "tesis" ever safe?
No - they are not even the same part of speech. "tensas" is a verb and "tesis" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "tensas" or "tesis" show up more?
"tesis" is the more common of the two: it sits at frequency rank #3,659 in our Spanish list, against #36,322 for "tensas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "tensas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tesis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #161,570 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "tensas" and "tesis" also get mixed up with nearby pairs, the highest-scored neighbour is "tandas vs tensas". 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 #161,570 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