solidus

/ˈsɑlɪdəs/

//ˈsɑlɪdəs// noun

By · According to Wiktionary data (CC BY-SA) ·

"solidus" is a 7-letter English headword indexed on PlainSpell.

The verdict

“solidus” is uncommon English (frequency #93,168 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#93,168
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Various medieval and early modern coins or units of account

Corpus desk

Index EN-solidus · solidus · English

solidus · rank #93,168 · 0 variants · 0 confusables

  • FREQ-RARE #93,168
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH Soderberg

Nearest frequency peer: Soderberg (-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 “solidus”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “solidus” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for solidus
PropertyValue
Headwordsolidus
LanguageEnglish
Part of speechNoun
IPA/ˈsɑlɪdəs/
Letters7
Frequency rank#93,168
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “solidus” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).solidusfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “Soderberg” (#93,167), “somedays” (#93,169), “sociality” (#93,166). Among 6,566 “S” headwords, “solidus” is #93,168. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

solidus is uncommon English at frequency #93,168 among 6,566 “S” headwords, classed as anoun, transcribed /ˈsɑlɪdəs/. Rarity is why readers land here mid-draft. 11 senses are on record.

No misspelling variants are generated for solidus in our index, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Middle English solidus, from classical Latin solidus (“solid”), see below. Doublet of sol, sold, soldo, solid, sou, and xu. In numismatic and weight senses, via medieval Latin solidus (“various coins”), from Late Latin solidus (“a gold coin of the Roma… The correct English form is solidus, spelled S-O-L-I-D-U-S.

Definition

  1. 1
    Various medieval and early modern coins or units of account
  2. 2
    Various medieval and early modern coins or units of account
  3. 3
    Various medieval and early modern coins or units of account
  4. 4
    Various medieval and early modern coins or units of account
  5. 5
    Various medieval and early modern coins or units of account
  6. 6
    The weight of the Roman gold coin, 1/60 of a Roman pound under Diocletian or 1/72 lb. (about 4.5 grams) after Constantine.
  7. 7
    A medieval French weight, 1/20 of the Carolingian pound.
  8. 8
    Synonym of slash ⟨/⟩, originally (UK) in its use as the shilling mark and now its formal designation by the ISO and Unicode.
  9. 9
    The formal name of the oblique strikethrough overlay (as in A̷ and B̸) in Unicode.
  10. 10
    The division line between the numerator and the denominator of a fraction, whether horizontal or oblique.
  11. 11
    The line in a phase diagram marking the temperatures and pressures below which a given substance is a stable solid.

Etymology

From Middle English solidus, from classical Latin solidus (“solid”), see below. Doublet of sol, sold, soldo, solid, sou, and xu. In numismatic and weight senses, via medieval Latin solidus (“various coins”), from Late Latin solidus (“a gold coin of the Roman Empire”). In chemical sense, via German Solidus, coined by H.W.B. Roozeboom in his 1899 Zeitschrift für Physikalische Chemie, Stöchiometrie, und Verwandtschaftslehre (XXX, page 387). In typography, from the shilling mark originally being an abbreviation (a long s ⟨ſ⟩), of Medieval Latin solidus meaning shilling.

Synonyms

nomismabezantnomismahyperpyronbezantslash and strikethrough

This word in other languages

sueldo(Español)Solidus(Deutsch)soldo(Português)

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

How do you spell "solidus"?
"solidus" is spelled S-O-L-I-D-U-S. The IPA pronunciation is /ˈsɑlɪdəs/.
What does "solidus" mean?
As a noun, "solidus" means: Various medieval and early modern coins or units of account
How do you pronounce "solidus"?
The IPA (International Phonetic Alphabet) transcription for "solidus" is /ˈsɑlɪdəs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "solidus"?
From Middle English solidus, from classical Latin solidus (“solid”), see below. Doublet of sol, sold, soldo, solid, sou, and xu. In numismatic and weight senses, via medieval Latin solidus (“various coins”), from Late Latin solidus (“a gold coin o... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "solidus", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

snigger#93,165sophist#93,171skydome#93,159stabber#93,182

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list