resistor

/ɹɪˈzɪstə/

//ɹɪˈzɪstə// noun

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

The verdict

“resistor” is a moderately-common English word, ranked #28,694 in English word frequency and used as a noun.

#28,694
frequency rank, English
8
letters
12
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - One who resists, especially a person who fights against an occupying army.

Visual similarity to commonly confused words

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

resistor vs resist
75% similar
resistor vs register
75% similar
resistor vs resisted
75% similar

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

Key facts for resistor
PropertyValue
Headwordresistor
LanguageEnglish
Part of speechNoun
IPA/ɹɪˈzɪstə/
Letters8
Frequency rank#28,694
Misspellings tracked12
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “resistor” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). resistor lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for resistor is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɹɪˈzɪstə/. Corpus data places it at rank #28,694 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 12 likely wrong-spelling variants for resistor, with forms such as "ersistor", "reisstor", and "resisotr". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 3 confusable-pair relationships, "resist", "register", "resisted", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From resist + -or. The correct English form is resistor, spelled R-E-S-I-S-T-O-R.

Definition

  1. 1
    One who resists, especially a person who fights against an occupying army.
  2. 2
    An electric component that transmits current in direct proportion to the voltage across it.

Etymology

From resist + -or.

This word in other languages

Common misspellings

Also misspelled as: ersistor,reisstor,resisotr,resisstor,resistorr,resistro,resisttor,resitsor,ressistor,ressitor,rresistor,rseistor

Misspelling Pattern Breakdown

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

ersistor2reisstor2resisotr2resisstor1resistorr1resistro2resisttor1resitsor2
Edit distance from "resistor"

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 "resistor"?
"resistor" is spelled R-E-S-I-S-T-O-R. The IPA pronunciation is /ɹɪˈzɪstə/.
What does "resistor" mean?
As a noun, "resistor" means: One who resists, especially a person who fights against an occupying army.
What words are commonly confused with "resistor"?
"resistor" is commonly confused with "resist", "register", "resisted". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "resistor"?
The IPA (International Phonetic Alphabet) transcription for "resistor" is /ɹɪˈzɪstə/. 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 "resistor"?
From resist + -or. 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.

Using “resistor”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is R-E-S-I-S-T-O-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ɹɪˈzɪstə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “resist” - see the side-by-side comparison. resistor vs resist
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list