orthostatic

adj

"orthostatic" is a 11-letter English headword indexed on PlainSpell.

The verdict

“orthostatic” is uncommon English (frequency #86,602 among 15,494 “O” headwords), classed as an adjective. The kind of spelling people second-guess.

#86,602
frequency rank, English
15,494
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Relating to orthostasis or orthostatism.

Key facts for orthostatic
PropertyValue
Headwordorthostatic
LanguageEnglish
Part of speechAdjective
Letters11
Frequency rank#86,602
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “orthostatic” 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). orthostatic 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

orthostatic is uncommon English at frequency #86,602 among 15,494 “O” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

orthostatic doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From ortho- + static. The correct English form is orthostatic, spelled O-R-T-H-O-S-T-A-T-I-C.

Definition

  1. 1
    Relating to orthostasis or orthostatism.
  2. 2
    Relating to an orthostat.

Etymology

From ortho- + static.

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 "orthostatic"?
"orthostatic" is spelled O-R-T-H-O-S-T-A-T-I-C.
What does "orthostatic" mean?
As an adjective, "orthostatic" means: Relating to orthostasis or orthostatism.
What is the origin of the word "orthostatic"?
From ortho- + static. 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 “orthostatic”

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

  • The one correct English spelling is O-R-T-H-O-S-T-A-T-I-C - 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