rugate
/ˈɹuːɡeɪt/
"rugate" is a 6-letter English headword indexed on PlainSpell.
The verdict
“rugate” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 6
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having alternate ridges and depressions; wrinkled.
Corpus desk
Index EN-rugate · rugate · English
rugate · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 6 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "R" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | rugate |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈɹuːɡeɪt/ |
| Letters | 6 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “rugate” in English
Rare enough to double-check
rugate is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˈɹuːɡeɪt/. Rarity is why readers land here mid-draft. 2 senses are on record.
rugate has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From Latin rugatus, past participle of rugare (“to wrinkle”), from ruga (“a wrinkle”). The correct English form is rugate, spelled R-U-G-A-T-E.
Definition
- 1Having alternate ridges and depressions; wrinkled.
- 2Having a varying refractive index.
Recorded use
Wiktionary examplesThese source excerpts show how rugate appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Unifacial, superior surface transversely rugate, with minute oririmes at the bottom of the furrows
Rugate coatings typically consist of a single layer deposited onto a substrate where the refractive index of the layer continuously changes as a function of depth.
Etymology
From Latin rugatus, past participle of rugare (“to wrinkle”), from ruga (“a wrinkle”).
Synonyms
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.