thermoplastic

adj

"thermoplastic" is a 13-letter English headword indexed on PlainSpell.

The verdict

“thermoplastic” has 21 generated spelling variants in the English index at frequency #45,696. The variants make it a useful spelling check.

#45,696
frequency rank, English
3,151
“T” headwords
21
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Softening when heated and hardening when cooled, and thus able to be moulded, remelted, and remoulded.

Corpus desk

Index EN-thermoplastic · thermoplastic · English

thermoplastic · rank #45,696 · 21 variants · 0 confusables

  • FREQ-MID #45,696
  • LEN-MEGA 13 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 21 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH Thessaloniki

Nearest frequency peer: Thessaloniki (+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.

Rank peers near misspelling magnet “thermoplastic”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “thermoplastic” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for thermoplastic
PropertyValue
Headwordthermoplastic
LanguageEnglish
Part of speechAdjective
Letters13
Frequency rank#45,696
Misspellings tracked21
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “thermoplastic”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).thermoplasticlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Thessaloniki” (#45,697), “thickly” (#45,698), “tasker” (#45,693). Among 3,151 “T” headwords, “thermoplastic” is #45,696. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 21 spelling variants around thermoplastic, anadjective. Corpus frequency is #45,696 among 3,151 “T” headwords. Dominant gloss: "Softening when heated and hardening when cooled, and thus able to be moulded, remelted, and remoulded.".

Our generated misspelling index lists 21 likely wrong-spelling variants for thermoplastic, with forms such as "htermoplastic", "tehrmoplastic", and "themroplastic". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From thermo- + plastic. The correct English form is thermoplastic, spelled T-H-E-R-M-O-P-L-A-S-T-I-C.

Definition

  1. 1
    Softening when heated and hardening when cooled, and thus able to be moulded, remelted, and remoulded.

Etymology

From thermo- + plastic.

This word in other languages

Common misspellings

Also misspelled as:

  • htermoplastic
  • tehrmoplastic
  • themroplastic
  • thermmoplastic
  • thermolpastic
  • thermopalstic
  • thermoplasitc
  • thermoplasstic
  • thermoplastci
  • thermoplasticc
  • thermoplasttic
  • thermoplatsic
  • thermopllastic
  • thermoplsatic
  • thermopplastic
  • thermpolastic
  • theromplastic
  • therrmoplastic
  • thhermoplastic
  • thremoplastic
  • tthermoplastic

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of thermoplastic - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

htermoplastic2tehrmoplastic2themroplastic2thermmoplastic1thermolpastic2thermopalstic2thermoplasitc2thermoplasstic1
Edit distance from "thermoplastic"

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 "thermoplastic"?
"thermoplastic" is spelled T-H-E-R-M-O-P-L-A-S-T-I-C.
What does "thermoplastic" mean?
As an adjective, "thermoplastic" means: Softening when heated and hardening when cooled, and thus able to be moulded, remelted, and remoulded.
What are common misspellings of "thermoplastic"?
Common misspellings include "htermoplastic", "tehrmoplastic", "themroplastic", "thermmoplastic", "thermolpastic". The correct spelling is "thermoplastic".
What is the origin of the word "thermoplastic"?
From thermo- + plastic. 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 "thermoplastic", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (21 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list