lordosis

noun

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

The verdict

“lordosis” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 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).

Corpus desk

Index EN-lordosis · lordosis · English

lordosis · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "L" thin
  • PHOTO-UNK Peer pending

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.

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

Long-tail rank of “lordosis” in English

lordosissits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

lordosis is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

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.

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

Source: FrequencyWords open word-frequency list