grayvsgreatTell them apart

Quick tell: gray is a noun, great is an adjective, so they fill different roles in a sentence.

Which to use

“gray” is a noun and “great” is an adjective - they look or sound alike but fill different roles in a sentence.

#10,365
“gray” frequency rank
#8,059
“great” frequency rank
18424
confusion score

Side-by-Side Comparison

Feature gray great
Definition unidade no Sistema Internacional de medidas, representado por Gy, que representa a quantidade de energia de radiação ionizante absorvida (ou dose) por unidade de massa, e é definido como a quantidade que deposita 1 joule (J) de energia por quilograma (kg) do meio absorvedor, sendo 1 Gy = 1 J/kg fantástico, de ótima qualidade

Where the eye mixes gray and great

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

4 ch
gray
5 ch
great

Look-alike desk: gray vs great

These two trip readers on the page rather than in the ear: gray is /'greɪ/ while great is /ɡɹeɪt/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 18424, derived from the frequency rank of both members and their visual similarity.

gray is recorded at frequency rank #10,365, classified as anoun, pronounced /'greɪ/. great is at rank #8,059, tagged as anadj, pronounced /ɡɹeɪt/.

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 18424, this pair ranks #52,559 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of gray vs great

Shared letters: agr. Private to "gray": y. Private to "great": et.

"gray" · 4 letters · shape CCVV  ·  "great" · 5 letters · shape CCVVC

Known mistypes of this pair

  • graygary · ggray · grayy · grray · grya · rgay
  • greatgerat · ggreat · graet · greatt · greta · grreat · rgeat

Frequently Asked Questions

Do "gray" and "great" mean the same thing in a sentence?
No - they are not even the same part of speech. "gray" is a noun and "great" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "gray" vs "great" - which ranks higher?
"great" is the more common of the two: it sits at frequency rank #8,059 in our Portuguese list, against #10,365 for "gray". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "gray" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "great" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,559 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "gray" and "great" also get mixed up with nearby pairs, the highest-scored neighbour is "gray vs grip". 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 #52,559 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list