infusion
/ɪnˈfjuːʒən/
"infusion" is a 8-letter English headword indexed on PlainSpell.
The verdict
“infusion” is a moderately-common English word, ranked #19,869 in English word frequency and used as a noun.
- #19,869
- frequency rank, English
- 8
- letters
- 12
- tracked misspellings
- 6
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | infusion |
| Language | English |
| Part of speech | Noun |
| IPA | /ɪnˈfjuːʒən/ |
| Letters | 8 |
| Frequency rank | #19,869 |
| Misspellings tracked | 12 |
| Confusable pairs | 6 |
| Source | Wiktionary (kaikki.org) |
Where “infusion” sits in English frequency
Spelling & Dictionary Insight
The English entry for infusion is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɪnˈfjuːʒən/. Corpus data places it at rank #19,869 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.
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
- 1A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.
- 2The act of steeping or soaking a substance in liquid so as to extract medicinal or herbal qualities.
- 3The act of installing a quality into a person.
- 4A giving of money or other resources, typically a large amount, to an organization.
- 5The act of dipping into a fluid.
- 6The administration of liquid substances directly into a vein for medical purposes; perfusion.
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
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.
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
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Using “infusion”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-F-U-S-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as /ɪnˈfjuːʒən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “invasion” - see the side-by-side comparison. infusion vs invasion
- 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.