tendinitis

/ˌtɛn.dəˈnaɪ.tɪs/

//ˌtɛn.dəˈnaɪ.tɪs// noun

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

The verdict

“tendinitis” is uncommon English (frequency #62,565 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#62,565
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Inflammation of a tendon.

Corpus desk

Index EN-tendinitis · tendinitis · English

tendinitis · rank #62,565 · 0 variants · 0 confusables

  • FREQ-RARE #62,565
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH tej

Nearest frequency peer: tej (-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 “tendinitis”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for tendinitis
PropertyValue
Headwordtendinitis
LanguageEnglish
Part of speechNoun
IPA/ˌtɛn.dəˈnaɪ.tɪs/
Letters10
Frequency rank#62,565
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “tendinitis” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).tendinitisfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “tej” (#62,564), “terrarium” (#62,567), “tetrahedral” (#62,568). Among 3,151 “T” headwords, “tendinitis” is #62,565. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

tendinitis is uncommon English at frequency #62,565 among 3,151 “T” headwords, classed as anoun, transcribed /ˌtɛn.dəˈnaɪ.tɪs/. Rarity is why readers land here mid-draft. Gloss: "Inflammation of a tendon.".

Zero misspellings are on record for tendinitis in our index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From New Latin from tendin-, stem of Medieval Latin tendo, from Late Latin tenon, from Ancient Greek τένων (ténōn, “tendon, sinew”). By surface analysis, tendon + -itis and tendo- + -itis but not actually formed in this way; similarly with tendinopathy § Et… The correct English form is tendinitis, spelled T-E-N-D-I-N-I-T-I-S.

Definition

  1. 1
    Inflammation of a tendon.

Etymology

From New Latin from tendin-, stem of Medieval Latin tendo, from Late Latin tenon, from Ancient Greek τένων (ténōn, “tendon, sinew”). By surface analysis, tendon + -itis and tendo- + -itis but not actually formed in this way; similarly with tendinopathy § Etymology.

This word in other languages

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 "tendinitis"?
"tendinitis" is spelled T-E-N-D-I-N-I-T-I-S. The IPA pronunciation is /ˌtɛn.dəˈnaɪ.tɪs/.
What does "tendinitis" mean?
As a noun, "tendinitis" means: Inflammation of a tendon.
How do you pronounce "tendinitis"?
The IPA (International Phonetic Alphabet) transcription for "tendinitis" is /ˌtɛn.dəˈnaɪ.tɪs/. 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 "tendinitis"?
From New Latin from tendin-, stem of Medieval Latin tendo, from Late Latin tenon, from Ancient Greek τένων (ténōn, “tendon, sinew”). By surface analysis, tendon + -itis and tendo- + -itis but not actually formed in this way; similarly with tendino... 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 "tendinitis", 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