SIDA
/si.da/
The verdict
“SIDA” sits in 20 confusable pairs (corpus #17,916) as an abbreviation. The look-alike neighbours are the real trap.
- #17,916
- frequency rank, Portuguese
- 1,185
- “S” headwords
- 4
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - syndrome d´immunodéficience acquise (SIDA, AIDS, síndrome da imunodeficiência adquirida)
Corpus desk
Index PT-sida · SIDA · Portuguese
SIDA · rank #17,916 · 4 variants · 20 confusables
- FREQ-MID #17,916
- LEN-MID 4 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-LOW 4 variants
- BOOK-MID 1,185
- PHOTO-FINISH serrano
Nearest frequency peer: serrano (-1 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 “SIDA”
Pares de peso semelhante no corpus, aparte dos confusáveis abaixo
- ruivo
ruivo
82,092 corpus weight
- salsicha
salsicha
82,091 corpus weight
- seguidor
seguidor
82,089 corpus weight
- sejas
sejas
82,088 corpus weight
- serrano
serrano
82,086 corpus weight
- SIDA
SIDA
82,085 corpus weight
What this shows As barras situam “SIDA” 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 | SIDA |
| Language | Portuguese |
| Part of speech | Abbreviation |
| IPA | /si.da/ |
| Letters | 4 |
| Frequency rank | #17,916 |
| Misspellings tracked | 4 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Rank de corpus junto a confusáveis de “SIDA”
Easy to mix with look-alikes
The spelling risk for SIDA is neighbouring look-alikes ("sua", "sim", …), not just typos; it is anabbreviation pronounced /si.da/. Frequency #17,916 among 1,185 “S” headwords. Gloss: "syndrome d´immunodéficience acquise (SIDA, AIDS, síndrome da imunodeficiência adquirida)".
Our generated misspelling index lists 4 likely wrong-spelling variants for SIDA, with forms such as "isda", "sdia", and "sidda". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "sua", "sim", "sin", and more, where similar look or sound leads writers to substitute one word for another in context.
No explicit etymology string is stored for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct Portuguese form is SIDA, spelled S-I-D-A.
Definition
- 1syndrome d´immunodéficience acquise (SIDA, AIDS, síndrome da imunodeficiência adquirida)
Common misspellings
Also misspelled as:
- isda
- sdia
- sidda
- ssida
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of SIDA - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "SIDA"?
What does "SIDA" mean?
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Similar Portuguese words by spelling shape
Same letter count and similar misspelling depth for "SIDA", not the corpus desk frequency band.
Same letter count
Frequency-ranked Portuguese headwords with 4 letters (nearest by frequency rank).