dietetics

/daɪəˈtɛtɪks/

//daɪəˈtɛtɪks// noun

"dietetics" is a 9-letter English headword indexed on PlainSpell.

The verdict

“dietetics” is uncommon English (frequency #55,386 among 26,416 “D” headwords), classed as a noun. The kind of spelling people second-guess.

#55,386
frequency rank, English
26,416
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The study of diet and nutrition in relation to health and disease.

Key facts for dietetics
PropertyValue
Headworddietetics
LanguageEnglish
Part of speechNoun
IPA/daɪəˈtɛtɪks/
Letters9
Frequency rank#55,386
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “dietetics” 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). dietetics 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

dietetics is uncommon English at frequency #55,386 among 26,416 “D” headwords, classed as anoun, transcribed /daɪəˈtɛtɪks/. Rarity is why readers land here mid-draft. Gloss: "The study of diet and nutrition in relation to health and disease.".

No misspelling variants are generated for dietetics in our index, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: See dietetic + -ics. The correct English form is dietetics, spelled D-I-E-T-E-T-I-C-S.

Definition

  1. 1
    The study of diet and nutrition in relation to health and disease.

Etymology

See dietetic + -ics.

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 "dietetics"?
"dietetics" is spelled D-I-E-T-E-T-I-C-S. The IPA pronunciation is /daɪəˈtɛtɪks/.
What does "dietetics" mean?
As a noun, "dietetics" means: The study of diet and nutrition in relation to health and disease.
How do you pronounce "dietetics"?
The IPA (International Phonetic Alphabet) transcription for "dietetics" is /daɪəˈtɛtɪks/. 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 "dietetics"?
See dietetic + -ics. 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 “dietetics”

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

  • The one correct English spelling is D-I-E-T-E-T-I-C-S - every other letter order is a misspelling in standard orthography.
  • Say it as /daɪəˈtɛtɪks/ (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