polyurethane

Name: polyurethane, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed September 3, 2026

The verdict

“polyurethane” has 18 generated spelling variants in the English index at frequency #39,035. The variants make it a useful spelling check.

#39,035
frequency rank, English: 4,417
“P” headwords: 18
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of various polymeric resins containing urethane links; used in many industrial and domestic applications.

Corpus desk

Index EN-polyurethane · polyurethane · English

polyurethane · rank #39,035 · 18 variants · 0 confusables

FREQ-MID #39,035
LEN-MEGA 12 letters
VOW-6 6 vowels
CONFUS-0 No pairs
VAR-HIGH 18 variants
BOOK-MID 4,417
PHOTO-FINISH Polynesia

Nearest frequency peer: Polynesia (-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.

Poisson

60,968
Polynesia

60,967
polyurethane

60,966
posit

60,965
Poughkeepsie

60,964
precipice

60,963

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

Key facts for polyurethane
Property	Value
Headword	polyurethane
Language	English
Part of speech	Noun
Letters	12
Frequency rank	#39,035
Misspellings tracked	18
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Frequency seat of misspelling magnet “polyurethane”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).polyurethanelands here:

#39,035

#1#100#1K#10K#100K

← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “Polynesia” (#39,034), “posit” (#39,036), “Poisson” (#39,033). Among 4,417 “P” headwords, “polyurethane” is #39,035. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 18 spelling variants around polyurethane, anoun. Corpus frequency is #39,035 among 4,417 “P” headwords. Dominant gloss: "Any of various polymeric resins containing urethane links; used in many industrial and domestic applications.".

Our generated misspelling index lists 18 likely wrong-spelling variants for polyurethane, with forms such as "oplyurethane", "ployurethane", and "pollyurethane". 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 dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From poly- + urethane. The correct English form is polyurethane, spelled P-O-L-Y-U-R-E-T-H-A-N-E.

Definition

1
Any of various polymeric resins containing urethane links; used in many industrial and domestic applications.

Recorded use

Wiktionary example

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

Firefighters were hampered by toxic fumes from polyurethane mattresses and overstuffed furniture.

Etymology

From poly- + urethane.

Synonyms

PUR

This word in other languages

polyuréthane(Français)Polyurethan(Deutsch)

Common misspellings

Also misspelled as:

oplyurethane
ployurethane
pollyurethane
poluyrethane
polyruethane
polyuerthane
polyurehtane
polyuretahne
polyurethaen
polyurethanne
polyurethhane
polyurethnae
polyuretthane
polyurrethane
polyurtehane
polyyurethane
poylurethane
ppolyurethane

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of polyurethane - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

Edit distance from "polyurethane"

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 "polyurethane"?

"polyurethane" is spelled P-O-L-Y-U-R-E-T-H-A-N-E.

What does "polyurethane" mean?

As a noun, "polyurethane" means: Any of various polymeric resins containing urethane links; used in many industrial and domestic applications.

What are common misspellings of "polyurethane"?

Common misspellings include "oplyurethane", "ployurethane", "pollyurethane", "poluyrethane", "polyruethane". The correct spelling is "polyurethane".

What is the origin of the word "polyurethane"?

From poly- + urethane. 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 "polyurethane", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

Poughkeepsie#39,037 mountainside#38,979 tranquillity#39,132 trigonometry#39,135

Similar misspelling depth

Headwords with a similar count of attested misspellings (18 here; floor ≥5).

stockbroker18 variants immunotherapy18 variants backcountry18 variants energetically18 variants