tendonitis

/tɛndəˈnaɪtɪs/

//tɛndəˈnaɪtɪs// noun

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

The verdict

“tendonitis” is uncommon English (frequency #82,847 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#82,847
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative form of tendinitis.

Corpus desk

Index EN-tendonitis · tendonitis · English

tendonitis · rank #82,847 · 0 variants · 0 confusables

  • FREQ-RARE #82,847
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH Teotihuacan

Nearest frequency peer: Teotihuacan (+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 “tendonitis”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for tendonitis
PropertyValue
Headwordtendonitis
LanguageEnglish
Part of speechNoun
IPA/tɛndəˈnaɪtɪs/
Letters10
Frequency rank#82,847
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “tendonitis” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).tendonitisfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Teotihuacan” (#82,848), “telepath” (#82,845), “terrorise” (#82,849). Among 3,151 “T” headwords, “tendonitis” is #82,847. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

tendonitis is uncommon English at frequency #82,847 among 3,151 “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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "tendonitis", not the corpus desk frequency band.

Same letter count

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

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

Source: FrequencyWords open word-frequency list