heart and soul

noun

"heart-and-soul" is a 12-letter English headword indexed on PlainSpell.

The verdict

“heart and soul” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The core of a thing; the most essential or important part.

Corpus desk

Index EN-heart-and-soul · heart and soul · English

heart and soul · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" thin
  • PHOTO-UNK Peer pending

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.

Key facts for heart and soul
PropertyValue
Headwordheart and soul
LanguageEnglish
Part of speechNoun
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “heart and soul” in English

heart and soulsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

heart and soul is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

heart and soul has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No explicit etymology string is stored for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is heart and soul, spelled H-E-A-R-T- -A-N-D- -S-O-U-L.

Definition

  1. 1
    The core of a thing; the most essential or important part.
  2. 2
    Passion; true commitment.

Recorded use

Wiktionary examples

These source excerpts show how heart and soul appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The heart and soul of any democracy is its electorate.
  2. She put her heart and soul into the project.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "heart and soul"?
"heart and soul" is spelled H-E-A-R-T- -A-N-D- -S-O-U-L.
What does "heart and soul" mean?
As a noun, "heart and soul" means: The core of a thing; the most essential or important part.
What language does "heart and soul" come from?
"heart and soul" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

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

Source: FrequencyWords open word-frequency list