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 May 6, 2026) - The core of a thing; the most essential or important part.

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

Where “heart and soul” sits in English frequency

heart and soul falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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.

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.

Using “heart and soul”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is H-E-A-R-T- -A-N-D- -S-O-U-L - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list