frictional

adj

"frictional" is a 10-letter English headword indexed on PlainSpell.

The verdict

“frictional” is uncommon English (frequency #58,038 among 2,507 “F” headwords), classed as an adjective. The kind of spelling people second-guess.

#58,038
frequency rank, English
2,507
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Relating to, or caused by, friction.

Corpus desk

Index EN-frictional · frictional · English

frictional · rank #58,038 · 0 variants · 0 confusables

  • FREQ-RARE #58,038
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH fresnel

Nearest frequency peer: fresnel (-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.

Long-tail ranks near “frictional”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “frictional” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for frictional
PropertyValue
Headwordfrictional
LanguageEnglish
Part of speechAdjective
Letters10
Frequency rank#58,038
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “frictional” in English

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

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “fresnel” (#58,037), “Frito” (#58,039), “Frenchie” (#58,036). Among 2,507 “F” headwords, “frictional” is #58,038. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

frictional is uncommon English at frequency #58,038 among 2,507 “F” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for frictional in our index, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From friction + -al. The correct English form is frictional, spelled F-R-I-C-T-I-O-N-A-L.

Definition

  1. 1
    Relating to, or caused by, friction.
  2. 2
    Involving conflict or difficulties

Recorded use

Wiktionary examples

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

  1. The large frictional forces made dragging it impossible.
  2. frictional relationship

Etymology

From friction + -al.

Synonyms

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 "frictional"?
"frictional" is spelled F-R-I-C-T-I-O-N-A-L.
What does "frictional" mean?
As an adjective, "frictional" means: Relating to, or caused by, friction.
What is the origin of the word "frictional"?
From friction + -al. 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 "frictional", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list