phthisic

/ˈ(f)θɪzɪk/

//ˈ(f)θɪzɪk// noun

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

The verdict

“phthisic” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A wasting illness of the lungs, such as asthma or tuberculosis; consumption; phthisis.

Key facts for phthisic
PropertyValue
Headwordphthisic
LanguageEnglish
Part of speechNoun
IPA/ˈ(f)θɪzɪk/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “phthisic” sits in English frequency

phthisic falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for phthisic is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈ(f)θɪzɪk/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

phthisic has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle English tisike, from Anglo-Norman, from Latin phthisicus (“suffering from tuberculosis”), from Ancient Greek φθισικός (phthisikós, “consumptive”), from φθίσις (phthísis, “tuberculosis, consumption”). The correct English form is phthisic, spelled P-H-T-H-I-S-I-C.

Definition

  1. 1
    A wasting illness of the lungs, such as asthma or tuberculosis; consumption; phthisis.
  2. 2
    Any wasting disease.
  3. 3
    A person suffering from phthisis.
  4. 4
    Any wasting or shrinking of another body part such as, for example, the eye (phthisis bulbi).

Etymology

From Middle English tisike, from Anglo-Norman, from Latin phthisicus (“suffering from tuberculosis”), from Ancient Greek φθισικός (phthisikós, “consumptive”), from φθίσις (phthísis, “tuberculosis, consumption”).

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "phthisic"?
"phthisic" is spelled P-H-T-H-I-S-I-C. The IPA pronunciation is /ˈ(f)θɪzɪk/.
What does "phthisic" mean?
As a noun, "phthisic" means: A wasting illness of the lungs, such as asthma or tuberculosis; consumption; phthisis.
How do you pronounce "phthisic"?
The IPA (International Phonetic Alphabet) transcription for "phthisic" is /ˈ(f)θɪzɪk/. 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 "phthisic"?
From Middle English tisike, from Anglo-Norman, from Latin phthisicus (“suffering from tuberculosis”), from Ancient Greek φθισικός (phthisikós, “consumptive”), from φθίσις (phthísis, “tuberculosis, consumption”). 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 “phthisic”

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

  • The one correct English spelling is P-H-T-H-I-S-I-C - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈ(f)θɪzɪk/ (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
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