transformer

/tɹænsˈfɔɹmɚ/

//tɹænsˈfɔɹmɚ// noun

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

"transformer" is a 11-letter English headword indexed on PlainSpell.

The verdict

“transformer” has 18 generated spelling variants in the English index at frequency #17,981. The variants make it a useful spelling check.

#17,981
frequency rank, English
3,151
“T” headwords
18
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Something that transforms, changing its own or another thing's shape.

Corpus desk

Index EN-transformer · transformer · English

transformer · rank #17,981 · 18 variants · 3 confusables

  • FREQ-MID #17,981
  • LEN-MEGA 11 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 3 pairs
  • VAR-HIGH 18 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH transient

Nearest frequency peer: transient (+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 “transformer”

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

corpus weight

What this shows “transformer” 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).

transformer vs transporter
82% similar
transformer vs transform
82% similar
transformer vs transformed
91% similar

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

Key facts for transformer
PropertyValue
Headwordtransformer
LanguageEnglish
Part of speechNoun
IPA/tɹænsˈfɔɹmɚ/
Letters11
Frequency rank#17,981
Misspellings tracked18
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “transformer”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).transformerlands 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 “transient” (#17,982), “toothpaste” (#17,979), “triumphant” (#17,983). Among 3,151 “T” headwords, “transformer” is #17,981. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 18 spelling variants around transformer (IPA /tɹænsˈfɔɹmɚ/), anoun. Corpus frequency is #17,981 among 3,151 “T” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 18 likely wrong-spelling variants for transformer, with forms such as "rtansformer", "tarnsformer", and "tranfsormer". 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 3 confusable-pair relationships, "transporter", "transform", "transformed", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From transform + -er. The correct English form is transformer, spelled T-R-A-N-S-F-O-R-M-E-R.

Definition

  1. 1
    Something that transforms, changing its own or another thing's shape.
  2. 2
    A static device that transfers electric energy from one circuit to another by magnetic coupling; primarily used to transfer energy between different voltage levels, which allows the most appropriate voltages for power generation, transmission and distribution to be chosen separately.
  3. 3
    A neural network architecture composed of layers of attention which takes sequences of tokens (representing text, images, audio, or other modalities) as input.
  4. 4
    Alternative letter-case form of Transformer.

Recorded use

Wiktionary examples

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

  1. While initial reports Thursday traced the glow to a transformer explosion or a fire, Mr. McGee said there was no fire, and there were no transformers involved.
  2. Transformer is a deep machine learning model based on the encoder–decoder network architecture and is used primarily in the field of NLP.

Etymology

From transform + -er.

This word in other languages

transformador(Español)transformateur(Français)Transformator(Deutsch)

Common misspellings

Also misspelled as:

  • rtansformer
  • tarnsformer
  • tranfsormer
  • trannsformer
  • transfformer
  • transfomrer
  • transforemr
  • transformerr
  • transformmer
  • transformre
  • transforrmer
  • transfromer
  • transofrmer
  • transsformer
  • trasnformer
  • trnasformer
  • trransformer
  • ttransformer

Misspelling Pattern Breakdown

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

rtansformer2tarnsformer2tranfsormer2trannsformer1transfformer1transfomrer2transforemr2transformerr1
Edit distance from "transformer"

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 "transformer"?
"transformer" is spelled T-R-A-N-S-F-O-R-M-E-R. The IPA pronunciation is /tɹænsˈfɔɹmɚ/.
What does "transformer" mean?
As a noun, "transformer" means: Something that transforms, changing its own or another thing's shape.
What words are commonly confused with "transformer"?
"transformer" is commonly confused with "transporter", "transform", "transformed". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "transformer"?
The IPA (International Phonetic Alphabet) transcription for "transformer" is /tɹænsˈfɔɹmɚ/. 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 "transformer"?
From transform + -er. 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 "transformer", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

undisclosed#17,986adolescence#18,003attribution#18,019notoriously#17,911

Similar misspelling depth

Headwords with a similar count of attested misspellings (18 here; floor ≥5).

colonization18 variantscosmopolitan18 variantslongitudinal18 variantsidentifiable18 variants

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

Source: FrequencyWords open word-frequency list