CEI
/se.ø.i/
The verdict
“CEI” sits in 20 confusable pairs (corpus #29,625) as an abbreviation. The look-alike neighbours are the real trap.
- #29,625
- frequency rank, Portuguese
- 2,140
- “C” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Communauté des États Indépendants (português: Comunidade dos Estados Independentes, CEI)
Corpus desk
Index PT-cei · CEI · Portuguese
CEI · rank #29,625 · 0 variants · 20 confusables
- FREQ-MID #29,625
- LEN-MID 3 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH celeridade
Nearest frequency peer: celeridade (+3 rank slots)
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.
Vizinhos de frequência do confusável “CEI”
Pares de peso semelhante no corpus, aparte dos confusáveis abaixo
- bundinha
bundinha
70,383 corpus weight
- calção
calção
70,380 corpus weight
- CEI
CEI
70,376 corpus weight
- celeridade
celeridade
70,373 corpus weight
- cervo
cervo
70,372 corpus weight
- Cirilo
Cirilo
70,365 corpus weight
What this shows As barras situam “CEI” face aos lemas portugueses mais próximos por rank, não um reprint da secretária de confusáveis.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | CEI |
| Language | Portuguese |
| Part of speech | Abbreviation |
| IPA | /se.ø.i/ |
| Letters | 3 |
| Frequency rank | #29,625 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Rank de corpus junto a confusáveis de “CEI”
Easy to mix with look-alikes
The spelling risk for CEI is neighbouring look-alikes ("co", "cu", …), not just typos; it is anabbreviation pronounced /se.ø.i/. Frequency #29,625 among 2,140 “C” headwords. 3 recorded senses keep meaning in play.
Zero misspellings are on record for CEI in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "co", "cu", "ci", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is CEI, spelled C-E-I.
Definition
- 1Communauté des États Indépendants (português: Comunidade dos Estados Independentes, CEI)
- 2Commission Électrotechnique Internationale (português: Comissão Eletrotécnica Internacional, CEI)
- 3Confederation Europeenne de l'Immobilier
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "CEI"?
What does "CEI" mean?
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What language does "CEI" come from?
Is PlainSpell free to use?
Similar Portuguese words by spelling shape
Same letter count and similar misspelling depth for "CEI", not the corpus desk frequency band.
Same letter count
Frequency-ranked Portuguese headwords with 3 letters (nearest by frequency rank).