parasite

/ˈpæɹəˌsaɪt/

//ˈpæɹəˌsaɪt// noun

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

The verdict

“parasite” is a moderately-common English word, ranked #14,805 in English word frequency and used as a noun.

#14,805
frequency rank, English
8
letters
11
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently t...

Visual similarity to commonly confused words

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

parasite vs parasitic
78% similar
parasite vs paradise
75% similar

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

Key facts for parasite
PropertyValue
Headwordparasite
LanguageEnglish
Part of speechNoun
IPA/ˈpæɹəˌsaɪt/
Letters8
Frequency rank#14,805
Misspellings tracked11
Confusable pairs2
SourceWiktionary (kaikki.org)

Where “parasite” 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). parasite 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 parasite is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈpæɹəˌsaɪt/. Corpus data places it at rank #14,805 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 11 likely wrong-spelling variants for parasite, with forms such as "aprasite", "paarsite", and "paraiste". 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 2 confusable-pair relationships, "parasitic", "paradise", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle French parasite, from Latin parasitus, from Ancient Greek παράσιτος (parásitos, “person who eats at the table of another”), from noun use of adjective meaning "feeding beside", from παρά (pará, “beside”) + σῖτος (sîtos, “food”). The correct English form is parasite, spelled P-A-R-A-S-I-T-E.

Definition

  1. 1
    An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.
  2. 2
    An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.
  3. 3
    A person who lives on other people's efforts or expense and gives little or nothing back.
  4. 4
    A sycophant or hanger-on.
  5. 5
    A climbing plant which is supported by a wall, trellis etc.
  6. 6
    A retainer or companion of an ancient Celtic warrior, who praised him in song or poetry at gatherings; a bard.
  7. 7
    A component of a composite aircraft which is carried aloft and air-launched by a larger carrier aircraft or mother ship to support the primary mission of the carrier; a parasite aircraft.
  8. 8
    An isolated (FSDU) (freestanding display unit )

Etymology

From Middle French parasite, from Latin parasitus, from Ancient Greek παράσιτος (parásitos, “person who eats at the table of another”), from noun use of adjective meaning "feeding beside", from παρά (pará, “beside”) + σῖτος (sîtos, “food”).

Antonyms

commensalmutualistsometimes symbiote

This word in other languages

Common misspellings

Also misspelled as: aprasite,paarsite,paraiste,parasiet,parasitte,parassite,parastie,parrasite,parsaite,pparasite,praasite

Misspelling Pattern Breakdown

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

aprasite2paarsite2paraiste2parasiet2parasitte1parassite1parastie2parrasite1
Edit distance from "parasite"

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 "parasite"?
"parasite" is spelled P-A-R-A-S-I-T-E. The IPA pronunciation is /ˈpæɹəˌsaɪt/.
What does "parasite" mean?
As a noun, "parasite" means: An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently t...
What words are commonly confused with "parasite"?
"parasite" is commonly confused with "parasitic", "paradise". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "parasite"?
The IPA (International Phonetic Alphabet) transcription for "parasite" is /ˈpæɹəˌsaɪt/. 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 "parasite"?
From Middle French parasite, from Latin parasitus, from Ancient Greek παράσιτος (parásitos, “person who eats at the table of another”), from noun use of adjective meaning "feeding beside", from παρά (pará, “beside”) + σῖτος (sîtos, “food”). 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 “parasite”

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

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