placebo

/pləˈsiː.bəʊ/

//pləˈsiː.bəʊ// noun

"placebo" is a 7-letter English headword indexed on PlainSpell.

The verdict

“placebo” has 10 generated spelling variants in the English index at frequency #15,477. The variants make it a useful spelling check.

#15,477
frequency rank, English
4,417
“P” headwords
10
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A dummy medicine containing no active ingredients; an inert treatment.

Corpus desk

Index EN-placebo · placebo · English

placebo · rank #15,477 · 10 variants · 4 confusables

  • FREQ-MID #15,477
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-MID 4 pairs
  • VAR-MID 10 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH pisses

Nearest frequency peer: pisses (-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 “placebo”

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

corpus weight

What this shows “placebo” 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).

placebo vs places
71% similar
placebo vs placed
71% similar
placebo vs placer
71% similar

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

Key facts for placebo
PropertyValue
Headwordplacebo
LanguageEnglish
Part of speechNoun
IPA/pləˈsiː.bəʊ/
Letters7
Frequency rank#15,477
Misspellings tracked10
Confusable pairs4
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “placebo”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).placebolands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “pisses” (#15,476), “podcasts” (#15,478), “Pinterest” (#15,475). Among 4,417 “P” headwords, “placebo” is #15,477. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around placebo (IPA /pləˈsiː.bəʊ/), anoun. Corpus frequency is #15,477 among 4,417 “P” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 10 likely wrong-spelling variants for placebo, with forms such as "lpacebo", "palcebo", and "placbeo". 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 4 confusable-pair relationships, "places", "placed", "placer", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Inherited from Middle English placebo, borrowed from Latin placēbō (“I will please”), the first-person singular future active indicative of placeō (“I please”). The correct English form is placebo, spelled P-L-A-C-E-B-O.

Definition

  1. 1
    A dummy medicine containing no active ingredients; an inert treatment.
  2. 2
    The vespers sung in the office for the dead.

Recorded use

Wiktionary examples

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

  1. The acid test, I thought, was whether homeopathic remedies behave differently from placebos when submitted to clinical trials.
  2. The trials overall showed some but limited effectiveness, and in one of the largest and longest trials, the placebo performed better in treating spasticity, pain and bladder dysfunction, Dr. Bowling wrote.

Etymology

Inherited from Middle English placebo, borrowed from Latin placēbō (“I will please”), the first-person singular future active indicative of placeō (“I please”).

This word in other languages

Common misspellings

Also misspelled as:

  • lpacebo
  • palcebo
  • placbeo
  • placcebo
  • placebbo
  • placeob
  • plaecbo
  • plcaebo
  • pllacebo
  • pplacebo

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of placebo - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

lpacebo2palcebo2placbeo2placcebo1placebbo1placeob2plaecbo2plcaebo2
Edit distance from "placebo"

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 "placebo"?
"placebo" is spelled P-L-A-C-E-B-O. The IPA pronunciation is /pləˈsiː.bəʊ/.
What does "placebo" mean?
As a noun, "placebo" means: A dummy medicine containing no active ingredients; an inert treatment.
What words are commonly confused with "placebo"?
"placebo" is commonly confused with "places", "placed", "placer". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "placebo"?
The IPA (International Phonetic Alphabet) transcription for "placebo" is /pləˈsiː.bəʊ/. 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 "placebo"?
Inherited from Middle English placebo, borrowed from Latin placēbō (“I will please”), the first-person singular future active indicative of placeō (“I please”). 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 "placebo", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list