Which to use
“ametista” is a noun and “autista” is an adjective - they look or sound alike but fill different roles in a sentence.
- #49,289
- “ametista” frequency rank
- #25,201
- “autista” frequency rank
- 74490
- confusion score
Side-by-Side Comparison
| Feature | ametista | autista |
|---|---|---|
| Definition | mineral hexagonal, constituído de dióxido de silício (SiO₂); apresenta uma coloração púrpura ou roxa e no seu estado bruto encontra-se engastada em rochas vulcânicas conhecidas como geodos; quando lapidada, é comercialmente conhecida como uma pedra ou gema semipreciosa, a mais apreciada variante do quartzo | relativo ao autismo |
Where the eye mixes ametista and autista
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. ametista runs 8 letters (VCVCVCCV) against autista's 7 (VVCVCCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses ametista with autista
These two trip readers on the page rather than in the ear: ametista is /ɐ.mɨ.ˈtiʃ.tɐ/ while autista is /aw.ˈtiʃ.tɐ/. 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 74490, derived from the frequency rank of both members and their visual similarity.
ametista is recorded at frequency rank #49,289, classified as anoun, pronounced /ɐ.mɨ.ˈtiʃ.tɐ/. autista is at rank #25,201, tagged as anadj, pronounced /aw.ˈtiʃ.tɐ/.
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 74490, this pair ranks #2,519 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ametista vs autista
Shared letters: aist. Private to "ametista": em. Private to "autista": u.
"ametista" · 8 letters · shape VCVCVCCV · "autista" · 7 letters · shape VVCVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "ametista" and "autista" mean the same thing in a sentence?
Frequency check: "ametista" vs "autista" - which ranks higher?
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 "ametista" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "autista" - compare definitions side by side with the headword page. Word entry
- This pair ranks #2,519 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ametista" and "autista" also get mixed up with nearby pairs, the highest-scored neighbour is "artist vs autista". 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 #2,519 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.