glaucus
/ˈɡlɔːkəs/
"glaucus" is a 7-letter English headword indexed on PlainSpell.
The verdict
“glaucus” is uncommon English (frequency #92,648 among 2,313 “G” headwords), classed as a noun. The kind of spelling people second-guess.
- #92,648
- frequency rank, English
- 2,313
- “G” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any member of the genus Glaucus of nudibranchiate mollusks, found in the warmer latitudes, swimming in the open sea, strikingly colored with blue and silvery white.
Corpus desk
Index EN-glaucus · glaucus · English
glaucus · rank #92,648 · 0 variants · 0 confusables
- FREQ-RARE #92,648
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,313
- PHOTO-FINISH Gladwin
Nearest frequency peer: Gladwin (-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 “glaucus”
Sparse band: bars invert rank so rarer forms read shorter
- genitourina…
genitourinary
7,363 corpus weight
- Ghassan
Ghassan
7,360 corpus weight
- Gladwin
Gladwin
7,354 corpus weight
- glaucus
glaucus
7,353 corpus weight
- gorg
gorg
7,343 corpus weight
- Goucher
Goucher
7,342 corpus weight
What this shows Long-tail view: where “glaucus” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | glaucus |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈɡlɔːkəs/ |
| Letters | 7 |
| Frequency rank | #92,648 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “glaucus” in English
Rare enough to double-check
glaucus is uncommon English at frequency #92,648 among 2,313 “G” headwords, classed as anoun, transcribed /ˈɡlɔːkəs/. Rarity is why readers land here mid-draft. 2 senses are on record.
glaucus doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: Borrowed from translingual Glaucus, from Latin glaucus, from Ancient Greek γλαῦκος (glaûkos, “blue-grey fish”), from γλαυκός (glaukós, “blue-green, blue-grey”). The correct English form is glaucus, spelled G-L-A-U-C-U-S.
Definition
- 1Any member of the genus Glaucus of nudibranchiate mollusks, found in the warmer latitudes, swimming in the open sea, strikingly colored with blue and silvery white.
- 2A desert lime (Citrus glauca), a thorny shrub species endemic to semi-arid regions of Australia.
Recorded use
Wiktionary exampleThese source excerpts show how glaucus appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
This pass is extremely abrupt, and is covered with glaucus, the low scrub I have noticed as common to the sand-stone formation.
Etymology
Borrowed from translingual Glaucus, from Latin glaucus, from Ancient Greek γλαῦκος (glaûkos, “blue-grey fish”), from γλαυκός (glaukós, “blue-green, blue-grey”).
Synonyms
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 "glaucus", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).