railgun

/ˈɹeɪl.ɡʌn/

//ˈɹeɪl.ɡʌn// noun

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

The verdict

“railgun” is uncommon English (frequency #82,705 among 3,094 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#82,705
frequency rank, English
3,094
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An electromagnetic gun that uses a large electrical current to propel a projectile down a track of two parallel conductive rails.

Corpus desk

Index EN-railgun · railgun · English

railgun · rank #82,705 · 0 variants · 0 confusables

  • FREQ-RARE #82,705
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH rangeland

Nearest frequency peer: rangeland (+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.

Long-tail ranks near “railgun”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “railgun” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for railgun
PropertyValue
Headwordrailgun
LanguageEnglish
Part of speechNoun
IPA/ˈɹeɪl.ɡʌn/
Letters7
Frequency rank#82,705
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “railgun” in English

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).railgunfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “rangeland” (#82,706), “rapey” (#82,707), “radian” (#82,702). Among 3,094 “R” headwords, “railgun” is #82,705. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

railgun is uncommon English at frequency #82,705 among 3,094 “R” headwords, classed as anoun, transcribed /ˈɹeɪl.ɡʌn/. Rarity is why readers land here mid-draft. 3 senses are on record.

railgun has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From rail + gun. * (railway gun): From being a gun mounted on a rail car, and being railroad-mobile. * (EM gun): From being a projectile ejecting device with a pair of electric conducting rails that a launch sled runs along, which shoots the projectile. The correct English form is railgun, spelled R-A-I-L-G-U-N.

Definition

  1. 1
    An electromagnetic gun that uses a large electrical current to propel a projectile down a track of two parallel conductive rails.
  2. 2
    A railway gun.
  3. 3
    A benchrest rifle.

Etymology

From rail + gun. * (railway gun): From being a gun mounted on a rail car, and being railroad-mobile. * (EM gun): From being a projectile ejecting device with a pair of electric conducting rails that a launch sled runs along, which shoots the projectile.

This word in other languages

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 "railgun"?
"railgun" is spelled R-A-I-L-G-U-N. The IPA pronunciation is /ˈɹeɪl.ɡʌn/.
What does "railgun" mean?
As a noun, "railgun" means: An electromagnetic gun that uses a large electrical current to propel a projectile down a track of two parallel conductive rails.
How do you pronounce "railgun"?
The IPA (International Phonetic Alphabet) transcription for "railgun" is /ˈɹeɪl.ɡʌn/. 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 "railgun"?
From rail + gun. * (railway gun): From being a gun mounted on a rail car, and being railroad-mobile. * (EM gun): From being a projectile ejecting device with a pair of electric conducting rails that a launch sled runs along, which shoots the proje... 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 "railgun", not the corpus desk frequency band.

Same letter count

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

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

Source: FrequencyWords open word-frequency list