ADAS
"adas" is a 4-letter English headword indexed on PlainSpell.
The verdict
“ADAS” is uncommon English (frequency #83,950 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #83,950
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Acronym of advanced driver-assistance system.
Corpus desk
Index EN-adas · ADAS · English
ADAS · rank #83,950 · 0 variants · 0 confusables
- FREQ-RARE #83,950
- LEN-MID 4 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH Adie
Nearest frequency peer: Adie (+1 rank slots)
Read with this headword: Spelling guide for this pattern
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.
Long-tail ranks near “ADAS”
Sparse band: bars invert rank so rarer forms read shorter
- acrostic
acrostic
16,054 corpus weight
- actuate
actuate
16,053 corpus weight
- ADAS
ADAS
16,051 corpus weight
- Adie
Adie
16,050 corpus weight
- aerodynamic…
aerodynamically
16,049 corpus weight
- afforestati…
afforestation
16,048 corpus weight
What this shows Long-tail view: where “ADAS” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | ADAS |
| Language | English |
| Part of speech | Noun |
| Letters | 4 |
| Frequency rank | #83,950 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “ADAS” in English
Rare enough to double-check
ADAS is uncommon English at frequency #83,950 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Acronym of advanced driver-assistance system.".
We couldn't generate a plausible misspelling set for ADAS, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is ADAS, spelled A-D-A-S.
Definition
- 1Acronym of advanced driver-assistance system.
Recorded use
Wiktionary exampleThese source excerpts show how ADAS appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
ADAS are aimed to assist the drivers, who always remain responsible for vehicle control and shall permanently monitor the environment and vehicle/system performance Informal document GRVA-18-07/Rev.2, Proposal for amendments to ECE/TRANS/WP.29/GRVA/2024/2, UN Regulation on uniform provisions concerning the approval of vehicles with regard to Driver Contro…
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 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "ADAS", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 4 letters (nearest by frequency rank).