trolleybus

/tɹɒlɪbʌs/

//tɹɒlɪbʌs// noun

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

The verdict

“trolleybus” is uncommon English (frequency #88,949 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#88,949
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative form of trolley bus.

Corpus desk

Index EN-trolleybus · trolleybus · English

trolleybus · rank #88,949 · 0 variants · 0 confusables

  • FREQ-RARE #88,949
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH trilingual

Nearest frequency peer: trilingual (-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 “trolleybus”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for trolleybus
PropertyValue
Headwordtrolleybus
LanguageEnglish
Part of speechNoun
IPA/tɹɒlɪbʌs/
Letters10
Frequency rank#88,949
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “trolleybus” in English

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).trolleybusfalls in this rarity band:

#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. Rare peers in the same band: “trilingual” (#88,948), “trombonist” (#88,950), “Trentino” (#88,947). Among 3,151 “T” headwords, “trolleybus” is #88,949. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

trolleybus is uncommon English at frequency #88,949 among 3,151 “T” headwords, classed as anoun, transcribed /tɹɒlɪbʌs/. Rarity is why readers land here mid-draft. Gloss: "Alternative form of trolley bus.".

Zero misspellings are on record for trolleybus in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From trolley + bus. The correct English form is trolleybus, spelled T-R-O-L-L-E-Y-B-U-S.

Definition

  1. 1
    Alternative form of trolley bus.

Etymology

From trolley + bus.

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 "trolleybus"?
"trolleybus" is spelled T-R-O-L-L-E-Y-B-U-S. The IPA pronunciation is /tɹɒlɪbʌs/.
What does "trolleybus" mean?
As a noun, "trolleybus" means: Alternative form of trolley bus.
How do you pronounce "trolleybus"?
The IPA (International Phonetic Alphabet) transcription for "trolleybus" is /tɹɒlɪbʌs/. 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 "trolleybus"?
From trolley + bus. 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 "trolleybus", not the corpus desk frequency band.

Same letter count

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

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

Source: FrequencyWords open word-frequency list