parasitism

/ˈpæɹəs(a)ɪˌtɪzm̩/

//ˈpæɹəs(a)ɪˌtɪzm̩// noun

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

"parasitism" is a 10-letter English headword indexed on PlainSpell.

The verdict

“parasitism” is uncommon English (frequency #69,317 among 4,417 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#69,317
frequency rank, English
4,417
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed.

Corpus desk

Index EN-parasitism · parasitism · English

parasitism · rank #69,317 · 0 variants · 0 confusables

  • FREQ-RARE #69,317
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH particularity

Nearest frequency peer: particularity (+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.

Long-tail ranks near “parasitism”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “parasitism” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for parasitism
PropertyValue
Headwordparasitism
LanguageEnglish
Part of speechNoun
IPA/ˈpæɹəs(a)ɪˌtɪzm̩/
Letters10
Frequency rank#69,317
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “parasitism” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).parasitismfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “particularity” (#69,318), “padlocks” (#69,315), “overlain” (#69,312). Among 4,417 “P” headwords, “parasitism” is #69,317. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

parasitism is uncommon English at frequency #69,317 among 4,417 “P” headwords, classed as anoun, transcribed /ˈpæɹəs(a)ɪˌtɪzm̩/. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for parasitism in our index, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From parasite + -ism. Cognate with French parasitisme and Portuguese and Spanish parasitismo. The correct English form is parasitism, spelled P-A-R-A-S-I-T-I-S-M.

Definition

  1. 1
    Interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed.
  2. 2
    A similar interaction between people or things.

Recorded use

Wiktionary examples

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

  1. We accused her of parasitism in taking his hard-earned money for new dresses.
  2. These devices' energy consumption is parasitism upon the electrical grid.

Etymology

From parasite + -ism. Cognate with French parasitisme and Portuguese and Spanish parasitismo.

This word in other languages

parasitismo(Español)parasitisme(Français)Parasitismus(Deutsch)

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 "parasitism"?
"parasitism" is spelled P-A-R-A-S-I-T-I-S-M. The IPA pronunciation is /ˈpæɹəs(a)ɪˌtɪzm̩/.
What does "parasitism" mean?
As a noun, "parasitism" means: Interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed.
How do you pronounce "parasitism"?
The IPA (International Phonetic Alphabet) transcription for "parasitism" is /ˈpæɹəs(a)ɪˌtɪzm̩/. 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 "parasitism"?
From parasite + -ism. Cognate with French parasitisme and Portuguese and Spanish parasitismo. 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 "parasitism", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

peppercorn#69,324Perlmutter#69,328octahedral#69,302O'Loughlin#69,298

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

Source: FrequencyWords open word-frequency list