symbiont

/sɪmˈbaɪ.ɒnt/

//sɪmˈbaɪ.ɒnt// noun

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

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

The verdict

“symbiont” is uncommon English (frequency #86,823 among 54,294 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#86,823
frequency rank, English
54,294
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An organism that lives in a symbiotic relationship.

Key facts for symbiont
PropertyValue
Headwordsymbiont
LanguageEnglish
Part of speechNoun
IPA/sɪmˈbaɪ.ɒnt/
Letters8
Frequency rank#86,823
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “symbiont” 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). symbiont lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

symbiont is uncommon English at frequency #86,823 among 54,294 “S” headwords, classed as anoun, transcribed /sɪmˈbaɪ.ɒnt/. Rarity is why readers land here mid-draft. Gloss: "An organism that lives in a symbiotic relationship.".

Zero misspellings are on record for symbiont in our index, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From sym- + -biont. The correct English form is symbiont, spelled S-Y-M-B-I-O-N-T.

Definition

  1. 1
    An organism that lives in a symbiotic relationship.

Etymology

From sym- + -biont.

This word in other languages

simbionte(Español)symbiote(Français)Symbiont(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 "symbiont"?
"symbiont" is spelled S-Y-M-B-I-O-N-T. The IPA pronunciation is /sɪmˈbaɪ.ɒnt/.
What does "symbiont" mean?
As a noun, "symbiont" means: An organism that lives in a symbiotic relationship.
How do you pronounce "symbiont"?
The IPA (International Phonetic Alphabet) transcription for "symbiont" is /sɪmˈbaɪ.ɒnt/. 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 "symbiont"?
From sym- + -biont. 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 “symbiont”

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

  • The one correct English spelling is S-Y-M-B-I-O-N-T - every other letter order is a misspelling in standard orthography.
  • Say it as /sɪmˈbaɪ.ɒnt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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