stratus

/ˈstɹeɪ.təs/

//ˈstɹeɪ.təs// noun

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

The verdict

“stratus” is uncommon English (frequency #59,050 among 54,294 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#59,050
frequency rank, English
54,294
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A principal, low-level cloud type in the form of a gray layer with a rather uniform base, usually not associated with precipitation, and capable of producing corona phenomena and a weak, uniform lu...

Key facts for stratus
PropertyValue
Headwordstratus
LanguageEnglish
Part of speechNoun
IPA/ˈstɹeɪ.təs/
Letters7
Frequency rank#59,050
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “stratus” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

stratus is uncommon English at frequency #59,050 among 54,294 “S” headwords, classed as anoun, transcribed /ˈstɹeɪ.təs/. Rarity is why readers land here mid-draft. Gloss: "A principal, low-level cloud type in the form of a gray layer with a rather uniform base, usually not associated with precipitation, and capable of producing corona phenomena and a weak, uniform lu...".

We couldn't generate a plausible misspelling set for stratus, which points to an orthography that plays by predictable English rules. 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: Etymology tree Proto-Indo-European *str̥h₃tós Proto-Italic *strātos Latin stratuslbor. English stratus Borrowed from Latin stratus. Doublet of strath. The correct English form is stratus, spelled S-T-R-A-T-U-S.

Definition

  1. 1
    A principal, low-level cloud type in the form of a gray layer with a rather uniform base, usually not associated with precipitation, and capable of producing corona phenomena and a weak, uniform luminance; abbreviated St.

Etymology

Etymology tree Proto-Indo-European *str̥h₃tós Proto-Italic *strātos Latin stratuslbor. English stratus Borrowed from Latin stratus. Doublet of strath.

This word in other languages

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 "stratus"?
"stratus" is spelled S-T-R-A-T-U-S. The IPA pronunciation is /ˈstɹeɪ.təs/.
What does "stratus" mean?
As a noun, "stratus" means: A principal, low-level cloud type in the form of a gray layer with a rather uniform base, usually not associated with precipitation, and capable of producing corona phenomena and a weak, uniform lu...
How do you pronounce "stratus"?
The IPA (International Phonetic Alphabet) transcription for "stratus" is /ˈstɹeɪ.təs/. 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 "stratus"?
Etymology tree Proto-Indo-European *str̥h₃tós Proto-Italic *strātos Latin stratuslbor. English stratus Borrowed from Latin stratus. Doublet of strath. 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.

Using “stratus”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is S-T-R-A-T-U-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈstɹeɪ.təs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list