anesthesia

/ˌæn.əsˈθiːz.i.ə/

//ˌæn.əsˈθiːz.i.ə// noun

"anesthesia" is a 10-letter English headword indexed on PlainSpell.

The verdict

“anesthesia” has 14 generated spelling variants in the English index at frequency #17,287. The variants make it a useful spelling check.

#17,287
frequency rank, English
3,931
“A” headwords
14
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An artificial method of preventing sensation, used to eliminate pain without causing loss of vital functions, by the administration of one or more agents which block pain impulses before transmitte...

Corpus desk

Index EN-anesthesia · anesthesia · English

anesthesia · rank #17,287 · 14 variants · 2 confusables

  • FREQ-MID #17,287
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 2 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH Albion

Nearest frequency peer: Albion (-1 rank slots)

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.

Rank peers near misspelling magnet “anesthesia”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “anesthesia” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

anesthesia vs anesthetic
80% similar
anesthesia vs anaesthesia
91% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for anesthesia
PropertyValue
Headwordanesthesia
LanguageEnglish
Part of speechNoun
IPA/ˌæn.əsˈθiːz.i.ə/
Letters10
Frequency rank#17,287
Misspellings tracked14
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “anesthesia”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).anesthesialands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Albion” (#17,286), “anonymity” (#17,288), “aft” (#17,285). Among 3,931 “A” headwords, “anesthesia” is #17,287. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around anesthesia (IPA /ˌæn.əsˈθiːz.i.ə/), anoun. Corpus frequency is #17,287 among 3,931 “A” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for anesthesia, with forms such as "aensthesia", "aneshtesia", and "anessthesia". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 2 confusable-pair relationships, "anesthetic", "anaesthesia", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Sense of “insensibility” attested since 1679, from New Latin anaesthēsia, from Ancient Greek ἀναισθησία (anaisthēsía, “without sensation”), from ἀν- (an-, “not”) and αἴσθησις (aísthēsis, “sensation”). By surface analysis, an- + -esthesia. Sense of “state in… The correct English form is anesthesia, spelled A-N-E-S-T-H-E-S-I-A.

Definition

  1. 1
    An artificial method of preventing sensation, used to eliminate pain without causing loss of vital functions, by the administration of one or more agents which block pain impulses before transmitted to the brain.
  2. 2
    The loss or prevention of sensation, as caused by anesthesia (in the above sense), or by a lesion in the nervous system, or by another physical abnormality.
  3. 3
    A medication that provides the service of temporarily blocking sensation.

Recorded use

Wiktionary examples

These source excerpts show how anesthesia appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. In addition, 0.5 ml of 1% lidocaine HCl was injected subcutaneously in the postauricular area for local anesthesia.
  2. In some individuals optimism may become quasi-pathological. The capacity for even a transient sadness or a momentary humility seems cut off from them as by a kind of congenital anæsthesia.

Etymology

Sense of “insensibility” attested since 1679, from New Latin anaesthēsia, from Ancient Greek ἀναισθησία (anaisthēsía, “without sensation”), from ἀν- (an-, “not”) and αἴσθησις (aísthēsis, “sensation”). By surface analysis, an- + -esthesia. Sense of “state induced by an agent” attested since 1846.

This word in other languages

Common misspellings

Also misspelled as:

  • aensthesia
  • aneshtesia
  • anessthesia
  • anestehsia
  • anestheisa
  • anesthesai
  • anesthessia
  • anesthhesia
  • anesthseia
  • anestthesia
  • anetshesia
  • annesthesia
  • ansethesia
  • naesthesia

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of anesthesia - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

aensthesia2aneshtesia2anessthesia1anestehsia2anestheisa2anesthesai2anesthessia1anesthhesia1
Edit distance from "anesthesia"

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 "anesthesia"?
"anesthesia" is spelled A-N-E-S-T-H-E-S-I-A. The IPA pronunciation is /ˌæn.əsˈθiːz.i.ə/.
What does "anesthesia" mean?
As a noun, "anesthesia" means: An artificial method of preventing sensation, used to eliminate pain without causing loss of vital functions, by the administration of one or more agents which block pain impulses before transmitte...
What words are commonly confused with "anesthesia"?
"anesthesia" is commonly confused with "anesthetic", "anaesthesia". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "anesthesia"?
The IPA (International Phonetic Alphabet) transcription for "anesthesia" is /ˌæn.əsˈθiːz.i.ə/. 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 "anesthesia"?
Sense of “insensibility” attested since 1679, from New Latin anaesthēsia, from Ancient Greek ἀναισθησία (anaisthēsía, “without sensation”), from ἀν- (an-, “not”) and αἴσθησις (aísthēsis, “sensation”). By surface analysis, an- + -esthesia. Sense of... 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "anesthesia", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list