subacute

adj

"subacute" is a 8-letter English headword indexed on PlainSpell.

The verdict

“subacute” is uncommon English (frequency #86,802 among 54,294 “S” headwords), classed as an adjective. The kind of spelling people second-guess.

#86,802
frequency rank, English
54,294
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Less than acute.

Key facts for subacute
PropertyValue
Headwordsubacute
LanguageEnglish
Part of speechAdjective
Letters8
Frequency rank#86,802
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “subacute” 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). subacute 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

subacute is uncommon English at frequency #86,802 among 54,294 “S” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for subacute, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From sub- + acute. The correct English form is subacute, spelled S-U-B-A-C-U-T-E.

Definition

  1. 1
    Less than acute.
  2. 2
    Less than acute.
  3. 3
    Having a pointed tip, but with a broad (obtuse) or slightly rounded angle

Etymology

From sub- + acute.

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 "subacute"?
"subacute" is spelled S-U-B-A-C-U-T-E.
What does "subacute" mean?
As an adjective, "subacute" means: Less than acute.
What is the origin of the word "subacute"?
From sub- + acute. 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 “subacute”

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

  • The one correct English spelling is S-U-B-A-C-U-T-E - every other letter order is a misspelling in standard orthography.
  • 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