glassvsguessWhich spelling fits?

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

Which to use

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

#23,431
“glass” frequency rank
#43,045
“guess” frequency rank
66476
confusion score

Side-by-Side Comparison

Feature glass guess
Definition Vidrio, cristal. Adivinar.

Where the eye mixes glass and guess

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

5 ch
glass
5 ch
guess

Why the eye confuses glass with guess

These two trip readers on the page rather than in the ear: glass is /ɡlɑːs/ while guess is /gɛs/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 66476, derived from the frequency rank of both members and their visual similarity.

glass is recorded at frequency rank #23,431, classified as anoun, pronounced /ɡlɑːs/. guess is at rank #43,045, tagged as averb, pronounced /gɛs/.

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 66476, this pair ranks #39,768 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of glass vs guess

Shared letters: gs. Private to "glass": al. Private to "guess": eu.

"glass" · 5 letters · shape CCVCC  ·  "guess" · 5 letters · shape CVVCC

Known mistypes of this pair

  • glassgalss · gglass · gllass · glsas · lgass
  • guessgeuss · gguess · gues · guses · ugess

Frequently Asked Questions

Is swapping "glass" for "guess" ever safe?
No - they are not even the same part of speech. "glass" is a noun and "guess" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "glass" or "guess" show up more?
"glass" is the more common of the two: it sits at frequency rank #23,431 in our Spanish list, against #43,045 for "guess". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "glass" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "guess" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,768 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "glass" and "guess" also get mixed up with nearby pairs, the highest-scored neighbour is "guess vs guest". 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 #39,768 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