tendonitis

/tɛndəˈnaɪtɪs/

//tɛndəˈnaɪtɪs// noun

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

The verdict

“tendonitis” is uncommon English (frequency #82,847 among 27,828 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#82,847
frequency rank, English
27,828
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Alternative form of tendinitis.

Key facts for tendonitis
PropertyValue
Headwordtendonitis
LanguageEnglish
Part of speechNoun
IPA/tɛndəˈnaɪtɪs/
Letters10
Frequency rank#82,847
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “tendonitis” 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). tendonitis 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

tendonitis is uncommon English at frequency #82,847 among 27,828 “T” headwords, classed as anoun, transcribed /tɛndəˈnaɪtɪs/. Rarity is why readers land here mid-draft. Gloss: "Alternative form of tendinitis.".

The misspelling generator found no plausible variants for tendonitis, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From tendon + -itis. The correct English form is tendonitis, spelled T-E-N-D-O-N-I-T-I-S.

Definition

  1. 1
    Alternative form of tendinitis.

Etymology

From tendon + -itis.

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 "tendonitis"?
"tendonitis" is spelled T-E-N-D-O-N-I-T-I-S. The IPA pronunciation is /tɛndəˈnaɪtɪs/.
What does "tendonitis" mean?
As a noun, "tendonitis" means: Alternative form of tendinitis.
How do you pronounce "tendonitis"?
The IPA (International Phonetic Alphabet) transcription for "tendonitis" is /tɛndəˈnaɪtɪs/. 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 "tendonitis"?
From tendon + -itis. 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 “tendonitis”

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

  • The one correct English spelling is T-E-N-D-O-N-I-T-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as /tɛndəˈnaɪtɪs/ (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 FrequencyWords open word-frequency list