fountainhead

noun

"fountainhead" is a 12-letter English headword indexed on PlainSpell.

The verdict

“fountainhead” is uncommon English (frequency #68,229 among 2,507 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#68,229
frequency rank, English
2,507
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A spring that is the source of a river.

Corpus desk

Index EN-fountainhead · fountainhead · English

fountainhead · rank #68,229 · 0 variants · 0 confusables

  • FREQ-RARE #68,229
  • LEN-MEGA 12 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH fount

Nearest frequency peer: fount (-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 “fountainhead”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for fountainhead
PropertyValue
Headwordfountainhead
LanguageEnglish
Part of speechNoun
Letters12
Frequency rank#68,229
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “fountainhead” 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).fountainheadfalls 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: “fount” (#68,228), “franchisor” (#68,232), “foll” (#68,225). Among 2,507 “F” headwords, “fountainhead” is #68,229. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fountainhead is uncommon English at frequency #68,229 among 2,507 “F” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for fountainhead in our index, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From fountain + head. The correct English form is fountainhead, spelled F-O-U-N-T-A-I-N-H-E-A-D.

Definition

  1. 1
    A spring that is the source of a river.
  2. 2
    An abundant source of knowledge, etc.

Etymology

From fountain + head.

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 "fountainhead"?
"fountainhead" is spelled F-O-U-N-T-A-I-N-H-E-A-D.
What does "fountainhead" mean?
As a noun, "fountainhead" means: A spring that is the source of a river.
What is the origin of the word "fountainhead"?
From fountain + head. 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 "fountainhead", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list