similarity

/ˌsɪm.ɪˈlæɹ.ɪ.ti/

//ˌsɪm.ɪˈlæɹ.ɪ.ti// noun

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“similarity” has 15 generated spelling variants in the English index at frequency #13,425. The variants make it a useful spelling check.

#13,425
frequency rank, English
6,566
“S” headwords
15
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Closeness of appearance to something else.

Corpus desk

Index EN-similarity · similarity · English

similarity · rank #13,425 · 15 variants · 1 confusable

  • FREQ-MID #13,425
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 15 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH silently

Nearest frequency peer: silently (-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 “similarity”

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

corpus weight

What this shows “similarity” 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).

similarity vs similarly
80% similar

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

Key facts for similarity
PropertyValue
Headwordsimilarity
LanguageEnglish
Part of speechNoun
IPA/ˌsɪm.ɪˈlæɹ.ɪ.ti/
Letters10
Frequency rank#13,425
Misspellings tracked15
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “similarity”

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).similaritylands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “silently” (#13,424), “smelling” (#13,426), “Shri” (#13,423). Among 6,566 “S” headwords, “similarity” is #13,425. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around similarity (IPA /ˌsɪm.ɪˈlæɹ.ɪ.ti/), anoun. Corpus frequency is #13,425 among 6,566 “S” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for similarity, with forms such as "ismilarity", "siimlarity", and "simialrity". 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 1 confusable-pair relationship, "similarly", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From French similarité. Morphologically similar + -ity The correct English form is similarity, spelled S-I-M-I-L-A-R-I-T-Y.

Definition

  1. 1
    Closeness of appearance to something else.
  2. 2
    The relation of sharing properties.
  3. 3
    A transformation (of a Euclidean space) that preserves angles and the ratios of distances
  4. 4
    The property of two matrices being similar.

Recorded use

Wiktionary example

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

  1. Hardly is there a similarity detected between two or three facts, than men hasten to extend it to all.

Etymology

From French similarité. Morphologically similar + -ity

Synonyms

resemblancelikenesssemblancesimilitudesimilarity

Antonyms

differencedissimilarity

This word in other languages

semejanza(Español)similarité(Français)Ähnlichkeit(Deutsch)semelhança(Português)

Common misspellings

Also misspelled as:

  • ismilarity
  • siimlarity
  • simialrity
  • similairty
  • similaritty
  • similarityy
  • similariyt
  • similarrity
  • similartiy
  • simillarity
  • similraity
  • simliarity
  • simmilarity
  • smiilarity
  • ssimilarity

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of similarity - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ismilarity2siimlarity2simialrity2similairty2similaritty1similarityy1similariyt2similarrity1
Edit distance from "similarity"

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 "similarity"?
"similarity" is spelled S-I-M-I-L-A-R-I-T-Y. The IPA pronunciation is /ˌsɪm.ɪˈlæɹ.ɪ.ti/.
What does "similarity" mean?
As a noun, "similarity" means: Closeness of appearance to something else.
What words are commonly confused with "similarity"?
"similarity" is commonly confused with "similarly". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "similarity"?
The IPA (International Phonetic Alphabet) transcription for "similarity" is /ˌsɪm.ɪˈlæɹ.ɪ.ti/. 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 "similarity"?
From French similarité. Morphologically similar + -ity 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 "similarity", not the corpus desk frequency band.

Same letter count

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

resilience#13,410reflective#13,407prostitute#13,406projecting#13,405

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

brightness15 variantsinstallment15 variantsGeorgetown15 variantsdiscounted15 variants

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

Source: FrequencyWords open word-frequency list