termasvstrasWhich spelling fits?

Quick tell: termas is a noun, tras is a preposition, so they fill different roles in a sentence.

Which to use

“termas” is a noun and “tras” is a preposition - they look or sound alike but fill different roles in a sentence.

#28,181
“termas” frequency rank
#308
“tras” frequency rank
28489
confusion score

Side-by-Side Comparison

Feature termas tras
Definition Espacio público para bañarse, que se construía para tal efecto en la antigua civilización romana, con piscinas y otros recintos a veces suntuosos. Indica que va o está detrás de algo o alguien.

Where the eye mixes termas and tras

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
termas
4 ch
tras

Look-alike desk: termas vs tras

These two trip readers on the page rather than in the ear: termas is [ˈt̪eɾmas] while tras is [t̪ɾas]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 28489, derived from the frequency rank of both members and their visual similarity.

termas is recorded at frequency rank #28,181, classified as anoun, pronounced [ˈt̪eɾmas]. tras is at rank #308, tagged as aprep, pronounced [t̪ɾas].

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 28489, this pair ranks #221,783 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of termas vs tras

Shared letters: arst. Private to "termas": em. Private to "tras": -.

"termas" · 6 letters · shape CVCCVC  ·  "tras" · 4 letters · shape CCVC

Known mistypes of this pair

  • termasetrmas · temras · terams · termass · termmas · termsa · terrmas · tremas
  • trasrtas · tars · trass · trras · trsa · ttras

Frequently Asked Questions

Is swapping "termas" for "tras" ever safe?
No - they are not even the same part of speech. "termas" is a noun and "tras" a preposition, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "termas" or "tras" show up more?
"tras" is the more common of the two: it sits at frequency rank #308 in our Spanish list, against #28,181 for "termas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "termas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tras" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #221,783 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "termas" and "tras" also get mixed up with nearby pairs, the highest-scored neighbour is "termas vs termos". 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 #221,783 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