infusion

/ɪnˈfjuːʒən/

//ɪnˈfjuːʒən// noun

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

"infusion" is a 8-letter English headword indexed on PlainSpell.

The verdict

“infusion” has 12 generated spelling variants in the English index at frequency #19,869. The variants make it a useful spelling check.

#19,869
frequency rank, English
2,140
“I” headwords
12
tracked misspellings
6
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.

Corpus desk

Index EN-infusion · infusion · English

infusion · rank #19,869 · 12 variants · 6 confusables

  • FREQ-MID #19,869
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-MID 6 pairs
  • VAR-MID 12 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH ineligible

Nearest frequency peer: ineligible (-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.

Rank peers near misspelling magnet “infusion”

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

corpus weight

What this shows “infusion” 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).

infusion vs invasion
75% similar
infusion vs intrusion
78% similar
infusion vs illusion
75% similar

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

Key facts for infusion
PropertyValue
Headwordinfusion
LanguageEnglish
Part of speechNoun
IPA/ɪnˈfjuːʒən/
Letters8
Frequency rank#19,869
Misspellings tracked12
Confusable pairs6
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “infusion”

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

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “ineligible” (#19,868), “impulses” (#19,866), “Jeb” (#19,872). Among 2,140 “I” headwords, “infusion” is #19,869. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around infusion (IPA /ɪnˈfjuːʒən/), anoun. Corpus frequency is #19,869 among 2,140 “I” headwords. Wiktionary lists 6 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for infusion, with forms such as "ifnusion", "inffusion", and "infsuion". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 6 confusable-pair relationships, "invasion", "intrusion", "illusion", 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 infusioun, from Old French infusion, from Latin infusio, infusionem (“a pouring into, a wetting, a dyeing, a flow”), from infundo. The correct English form is infusion, spelled I-N-F-U-S-I-O-N.

Definition

  1. 1
    A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.
  2. 2
    The act of steeping or soaking a substance in liquid so as to extract medicinal or herbal qualities.
  3. 3
    The act of installing a quality into a person.
  4. 4
    A giving of money or other resources, typically a large amount, to an organization.
  5. 5
    The act of dipping into a fluid.
  6. 6
    The administration of liquid substances directly into a vein for medical purposes; perfusion.

Recorded use

Wiktionary examples

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

  1. An extract of rooibos and chamomile makes a refreshing infusion.
  2. He made a number of other changes at the Transit Police, including revamping audio equipment, moving the force to nine-millimeter semiautomatic weapons, and designing new uniforms. These changes were all part of a $40 million infusion into the Transit Police in 1990 from Governor Mario Cuomo.

Etymology

From Middle English infusioun, from Old French infusion, from Latin infusio, infusionem (“a pouring into, a wetting, a dyeing, a flow”), from infundo.

This word in other languages

infusión(Español)infusion(Français)Aufguss(Deutsch)infusão(Português)

Common misspellings

Also misspelled as:

  • ifnusion
  • inffusion
  • infsuion
  • infuison
  • infusino
  • infusionn
  • infusoin
  • infussion
  • infution
  • innfusion
  • inufsion
  • nifusion

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of infusion - 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.

ifnusion2inffusion1infsuion2infuison2infusino2infusionn1infusoin2infussion1
Edit distance from "infusion"

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 "infusion"?
"infusion" is spelled I-N-F-U-S-I-O-N. The IPA pronunciation is /ɪnˈfjuːʒən/.
What does "infusion" mean?
As a noun, "infusion" means: A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.
What words are commonly confused with "infusion"?
"infusion" is commonly confused with "invasion", "intrusion", "illusion". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "infusion"?
The IPA (International Phonetic Alphabet) transcription for "infusion" is /ɪnˈfjuːʒən/. 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 "infusion"?
From Middle English infusioun, from Old French infusion, from Latin infusio, infusionem (“a pouring into, a wetting, a dyeing, a flow”), from infundo. 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 "infusion", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

impulses#19,866hijacked#19,858Hathaway#19,855lordship#19,888

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

mahogany12 variantsfortnite12 variantsexporter12 variantseradicate12 variants

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

Source: FrequencyWords open word-frequency list