lupin

/ˈluːpɪn/

//ˈluːpɪn// noun

By · According to Wiktionary data (CC BY-SA) ·

"lupin" is a 5-letter English headword indexed on PlainSpell.

The verdict

“lupin” has 7 generated spelling variants in the English index at frequency #34,579. The variants make it a useful spelling check.

#34,579
frequency rank, English
2,297
“L” headwords
7
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any member of the genus Lupinus in the family Fabaceae.

Corpus desk

Index EN-lupin · lupin · English

lupin · rank #34,579 · 7 variants · 20 confusables

  • FREQ-MID #34,579
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 7 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH Loughborough

Nearest frequency peer: Loughborough (-2 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.

Rank peers near misspelling magnet “lupin”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “lupin” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

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

lupin vs lupus
60% similar
lupin vs Luton
40% similar
lupin vs lurid
60% similar

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

Key facts for lupin
PropertyValue
Headwordlupin
LanguageEnglish
Part of speechNoun
IPA/ˈluːpɪn/
Letters5
Frequency rank#34,579
Misspellings tracked7
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “lupin”

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

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Loughborough” (#34,577), “Marlow” (#34,581), “lookup” (#34,576). Among 2,297 “L” headwords, “lupin” is #34,579. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 7 spelling variants around lupin (IPA /ˈluːpɪn/), anoun. Corpus frequency is #34,579 among 2,297 “L” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 7 likely wrong-spelling variants for lupin, with forms such as "llupin", "lpuin", and "luipn". 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, "lupus", "Luton", "lurid", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English lupyne, lupine, from Old French lupin, from Latin lupīnus (“pertaining to the wolf”), because of the wolf-like “fang” within the blossom. It has also been linked to an assumed depletion of nutrients in the soil. The correct English form is lupin, spelled L-U-P-I-N.

Definition

  1. 1
    Any member of the genus Lupinus in the family Fabaceae.
  2. 2
    A lupin bean, a yellow legume seed of a Lupinus plant (usually Lupinus luteus), used as feed for sheep and cattle and commonly eaten in the Mediterranean area and in Latin America although toxic if prepared improperly.

Recorded use

Wiktionary examples

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

  1. Amongst the herbs to be administered when the charm was sung over him were a yew-berry, lupin, helenium, marsh mallow, dock, elder, wormwood and strawberry leaves.
  2. Lupins had been introduced into German agriculture in 1841 and had rapidly become a popular and useful feed for sheep as well as being used as a green manure plant for increasing soil fertility in poor-quality, sandy soils.

Etymology

From Middle English lupyne, lupine, from Old French lupin, from Latin lupīnus (“pertaining to the wolf”), because of the wolf-like “fang” within the blossom. It has also been linked to an assumed depletion of nutrients in the soil.

This word in other languages

altramuz(Español)lupin(Français)Lupine(Deutsch)tremoço(Português)

Common misspellings

Also misspelled as:

  • llupin
  • lpuin
  • luipn
  • lupinn
  • lupni
  • luppin
  • ulpin

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of lupin - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

llupin1lpuin2luipn2lupinn1lupni2luppin1ulpin2
Edit distance from "lupin"

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 "lupin"?
"lupin" is spelled L-U-P-I-N. The IPA pronunciation is /ˈluːpɪn/.
What does "lupin" mean?
As a noun, "lupin" means: Any member of the genus Lupinus in the family Fabaceae.
What words are commonly confused with "lupin"?
"lupin" is commonly confused with "lupus", "Luton", "lurid". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "lupin"?
The IPA (International Phonetic Alphabet) transcription for "lupin" is /ˈluːpɪn/. 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 "lupin"?
From Middle English lupyne, lupine, from Old French lupin, from Latin lupīnus (“pertaining to the wolf”), because of the wolf-like “fang” within the blossom. It has also been linked to an assumed depletion of nutrients in the soil. 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 "lupin", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

Mehdi#34,586libre#34,570Lenox#34,567leary#34,564

Similar misspelling depth

Headwords with a similar count of attested misspellings (7 here; floor ≥5).

meagre7 variantsmufti7 variantsnadir7 variantshearn7 variants

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

Source: FrequencyWords open word-frequency list