signboard

/ˈsaɪnˌbɔɹd/

//ˈsaɪnˌbɔɹd// noun

"signboard" is a 9-letter English headword indexed on PlainSpell.

The verdict

“signboard” is uncommon English (frequency #90,992 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#90,992
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A board carrying a sign, or on which signs may be posted.

Corpus desk

Index EN-signboard · signboard · English

signboard · rank #90,992 · 0 variants · 0 confusables

  • FREQ-RARE #90,992
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH sigmoid

Nearest frequency peer: sigmoid (-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 “signboard”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for signboard
PropertyValue
Headwordsignboard
LanguageEnglish
Part of speechNoun
IPA/ˈsaɪnˌbɔɹd/
Letters9
Frequency rank#90,992
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “signboard” 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).signboardfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “sigmoid” (#90,991), “skipjack” (#90,994), “sifu” (#90,989). Among 6,566 “S” headwords, “signboard” is #90,992. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

signboard is uncommon English at frequency #90,992 among 6,566 “S” headwords, classed as anoun, transcribed /ˈsaɪnˌbɔɹd/. Rarity is why readers land here mid-draft. Gloss: "A board carrying a sign, or on which signs may be posted.".

signboard has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From sign + board. The correct English form is signboard, spelled S-I-G-N-B-O-A-R-D.

Definition

  1. 1
    A board carrying a sign, or on which signs may be posted.

Etymology

From sign + board.

Synonyms

noticeboard

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 "signboard"?
"signboard" is spelled S-I-G-N-B-O-A-R-D. The IPA pronunciation is /ˈsaɪnˌbɔɹd/.
What does "signboard" mean?
As a noun, "signboard" means: A board carrying a sign, or on which signs may be posted.
How do you pronounce "signboard"?
The IPA (International Phonetic Alphabet) transcription for "signboard" is /ˈsaɪnˌbɔɹd/. 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 "signboard"?
From sign + board. 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 "signboard", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list