leaf

/liːf/

//liːf// noun

"leaf" is a 4-letter English headword indexed on PlainSpell.

The verdict

“leaf” is a regularly-used English word, ranked #4,958 in English word frequency and used as a noun.

#4,958
frequency rank, English
4
letters
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The usually green and flat organ that represents the most prominent feature of most vegetative plants.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

leaf vs LF
0% similar
leaf vs let
50% similar
leaf vs LED
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for leaf
PropertyValue
Headwordleaf
LanguageEnglish
Part of speechNoun
IPA/liːf/
Letters4
Frequency rank#4,958
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “leaf” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). leaf lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for leaf is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /liːf/. Corpus data places it at rank #4,958 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 15 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 5 likely wrong-spelling variants for leaf, with forms such as "elaf", "laef", and "leaff". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "LF", "let", "LED", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English leef, from Old English lēaf, from Proto-West Germanic *laub, from Proto-Germanic *laubą (“leaf”), from Proto-Indo-European *lowbʰ-o-m, from *lewbʰ- (“to cut off”). Cognates Cognate with Scots leaf (“leaf”), Yola laafe (“leaf”), North Fri… The correct English form is leaf, spelled L-E-A-F.

Definition

  1. 1
    The usually green and flat organ that represents the most prominent feature of most vegetative plants.
  2. 2
    A foliage leaf or any of the many and often considerably different structures it can specialise into.
  3. 3
    Anything resembling the leaf of a plant.
  4. 4
    A sheet of a book, magazine, etc. (consisting of two pages, one on each face of the leaf).
  5. 5
    A sheet of any substance beaten or rolled until very thin.
  6. 6
    One of the individual flat or curved strips of metal, typically made of spring steel, that make up a leaf spring.
  7. 7
    Tea leaves.
  8. 8
    A flat section used to extend the size of a table.
  9. 9
    A moveable panel, e.g. of a bridge or door, originally one that hinged but now also applied to other forms of movement.
  10. 10
    In a tree, a node that has no descendants.
  11. 11
    The layer of fat supporting the kidneys of a pig, leaf fat.
  12. 12
    One of the teeth of a pinion, especially when small.
  13. 13
    Cannabis.
  14. 14
    A Canadian person.
  15. 15
    A particular value of the EAX register when a program runs the CPUID instruction; each leaf represents a different category of information returned about the processor.

Etymology

From Middle English leef, from Old English lēaf, from Proto-West Germanic *laub, from Proto-Germanic *laubą (“leaf”), from Proto-Indo-European *lowbʰ-o-m, from *lewbʰ- (“to cut off”). Cognates Cognate with Scots leaf (“leaf”), Yola laafe (“leaf”), North Frisian luuf (“leaf”), Saterland Frisian Loof (“leaf”), West Frisian leaf (“leaf”), Cimbrian loap (“leaf”), Dutch loof (“foliage”), German Laub (“leaves”), German Low German Loov (“leaf”), Luxembourgish Laf (“foliage, leaves”), Mòcheno lap (“leaf”), Vilamovian łaub, łaup, łojp (“leaf”), Danish løv (“leaf”), Faroese leyv (“leaf”), Icelandic lauf (“leaf”), Norwegian Bokmål lauv, løv (“leaf”), Norwegian Nynorsk lauv (“leaf”), Swedish löf, löv (“leaf”), Gothic 𐌻𐌰𐌿𐍆𐍃 (laufs, “leaf”); also Irish luibh (“herb, plant”), Latin liber (“bast; book”), Albanian labë (“rind”), Lithuanian lúobas (“bark; bast”), Polish łub (“bark”), Russian луб (lub, “bast”). (Internet slang: Canadian): In reference to the maple leaf as national symbol.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: elaf,laef,leaff,lefa,lleaf

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of leaf - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

elaf2laef2leaff1lefa2lleaf1
Edit distance from "leaf"

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 "leaf"?
"leaf" is spelled L-E-A-F. The IPA pronunciation is /liːf/.
What does "leaf" mean?
As a noun, "leaf" means: The usually green and flat organ that represents the most prominent feature of most vegetative plants.
What words are commonly confused with "leaf"?
"leaf" is commonly confused with "LF", "let", "LED". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "leaf"?
The IPA (International Phonetic Alphabet) transcription for "leaf" is /liːf/. 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 "leaf"?
From Middle English leef, from Old English lēaf, from Proto-West Germanic *laub, from Proto-Germanic *laubą (“leaf”), from Proto-Indo-European *lowbʰ-o-m, from *lewbʰ- (“to cut off”). Cognates Cognate with Scots leaf (“leaf”), Yola laafe (“leaf”),... 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.

Using “leaf”

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

  • The one correct English spelling is L-E-A-F - every other letter order is a misspelling in standard orthography.
  • Say it as /liːf/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “LF” - see the side-by-side comparison. leaf vs LF
  • 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