lordosis

noun

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

The verdict

“lordosis” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An excessive backwards curvature of the spine, causing in normal human physiology a hollow in the back (lumbar lordosis, hollow back, saddle back) or the neck (cervical lordosis).

Key facts for lordosis
PropertyValue
Headwordlordosis
LanguageEnglish
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “lordosis” sits in English frequency

lordosis falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for lordosis is 8 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

The misspelling generator found no plausible variants for lordosis, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From Ancient Greek λορδός (lordós, “bent backward”) + -osis. The correct English form is lordosis, spelled L-O-R-D-O-S-I-S.

Definition

  1. 1
    An excessive backwards curvature of the spine, causing in normal human physiology a hollow in the back (lumbar lordosis, hollow back, saddle back) or the neck (cervical lordosis).
  2. 2
    A body posture of some female mammals, indicating receptivity to copulation. It involves lowering of the forelimbs but with the rear limbs extended and hips raised, ventral arching of the spine and a raising, or sideward displacement, of the tail.

Etymology

From Ancient Greek λορδός (lordós, “bent backward”) + -osis.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "lordosis"?
"lordosis" is spelled L-O-R-D-O-S-I-S.
What does "lordosis" mean?
As a noun, "lordosis" means: An excessive backwards curvature of the spine, causing in normal human physiology a hollow in the back (lumbar lordosis, hollow back, saddle back) or the neck (cervical lordosis).
What is the origin of the word "lordosis"?
From Ancient Greek λορδός (lordós, “bent backward”) + -osis. 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 “lordosis”

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

  • The one correct English spelling is L-O-R-D-O-S-I-S - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
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