phthalate

/ˈ(f)θa.leɪt/

//ˈ(f)θa.leɪt// noun

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

The verdict

“phthalate” is uncommon English (frequency #71,791 among 46,516 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#71,791
frequency rank, English
46,516
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any salt or ester of a phthalic acid.

Corpus desk

Index EN-phthalate · phthalate · English

phthalate · rank #71,791 · 0 variants · 0 confusables

  • FREQ-RARE #71,791
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 46,516
  • PHOTO-FINISH pfp

Nearest frequency peer: pfp (-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.

Frequency neighbourhood for “phthalate”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “phthalate” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for phthalate
PropertyValue
Headwordphthalate
LanguageEnglish
Part of speechNoun
IPA/ˈ(f)θa.leɪt/
Letters9
Frequency rank#71,791
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “phthalate” 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). phthalate 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

phthalate is uncommon English at frequency #71,791 among 46,516 “P” headwords, classed as anoun, transcribed /ˈ(f)θa.leɪt/. Rarity is why readers land here mid-draft. Gloss: "Any salt or ester of a phthalic acid.".

No misspelling variants are generated for phthalate in our index, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From phthal(ic) + -ate (“salt or ester”), short for obsolete naphthalic acid, from naphthalene. The correct English form is phthalate, spelled P-H-T-H-A-L-A-T-E.

Definition

  1. 1
    Any salt or ester of a phthalic acid.

Recorded use

Wiktionary examples

These source excerpts show how phthalate appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Researchers investigating levels of phthalates in the human body, which have been linked to asthma, breast cancer, type 2 diabetes and fertility issues in the past few years, were found to be nearly 35% higher in participants who had eaten out the previous day compared with those who stayed at home.
  2. Even as FDA works to develop that plan, consumers continue to be exposed to unsafe food chemicals including not just dyes but also the artificial sweetener aspartame, the white pigment titanium dioxide, the preservative propylparaben, and the phthalate food packaging chemicals, according to CSPI.

Etymology

From phthal(ic) + -ate (“salt or ester”), short for obsolete naphthalic acid, from naphthalene.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "phthalate"?
"phthalate" is spelled P-H-T-H-A-L-A-T-E. The IPA pronunciation is /ˈ(f)θa.leɪt/.
What does "phthalate" mean?
As a noun, "phthalate" means: Any salt or ester of a phthalic acid.
How do you pronounce "phthalate"?
The IPA (International Phonetic Alphabet) transcription for "phthalate" is /ˈ(f)θa.leɪt/. 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 "phthalate"?
From phthal(ic) + -ate (“salt or ester”), short for obsolete naphthalic acid, from naphthalene. 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 "phthalate", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency 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