ascertain

verb

The verdict

“ascertain” is uncommon Portuguese (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency Portuguese
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - apurar, confirmar, constatar, descobrir, verificar

Corpus desk

Index PT-ascertain · ascertain · Portuguese

ascertain · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for ascertain
PropertyValue
Headwordascertain
LanguagePortuguese
Part of speechVerb
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “ascertain” em português

ascertainnão entra no top 100.000 do português: zona de termos técnicos, arcaicos ou escassos.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ascertain is uncommon Portuguese outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "apurar, confirmar, constatar, descobrir, verificar".

We couldn't generate a plausible misspelling set for ascertain, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry's etymology isn't recorded, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct Portuguese form is ascertain, spelled A-S-C-E-R-T-A-I-N.

Definition

  1. 1
    apurar, confirmar, constatar, descobrir, verificar

Recorded use

Wiktionary examples

These source excerpts show how ascertain appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. As soon as we ascertain what the situation is, we can plan how to proceed.
  2. Assim que apurarmos qual é situação, podemos planejar como proceder.

Synonyms

determinediscoverestablishfind outlearnwork out

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ascertain"?
"ascertain" is spelled A-S-C-E-R-T-A-I-N.
What does "ascertain" mean?
As a verb, "ascertain" means: apurar, confirmar, constatar, descobrir, verificar
What language does "ascertain" come from?
"ascertain" is a Portuguese word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

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

Source: FrequencyWords open word-frequency list