FP

noun

"fp" is a 2-letter English headword indexed on PlainSpell.

The verdict

“FP” sits in 20 confusable pairs (corpus #23,275) as a noun. The look-alike neighbours are the real trap.

#23,275
frequency rank, English
2,507
“F” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of floating point.

Corpus desk

Index EN-fp · FP · English

FP · rank #23,275 · 0 variants · 20 confusables

  • FREQ-MID #23,275
  • LEN-SHORT 2 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH footnote

Nearest frequency peer: footnote (-2 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 neighbours of confusable “FP”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “FP” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

FP vs fu
0% similar
FP vs FS
50% similar
FP vs FW
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for FP
PropertyValue
HeadwordFP
LanguageEnglish
Part of speechNoun
Letters2
Frequency rank#23,275
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “FP”

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).FPlands here:

#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 “footnote” (#23,273), “frontman” (#23,277), “Flanagan” (#23,272). Among 2,507 “F” headwords, “FP” is #23,275. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for FP is neighbouring look-alikes ("fu", "FS", …), not just typos; it is anoun. Frequency #23,275 among 2,507 “F” headwords. 8 recorded senses keep meaning in play.

Zero misspellings are on record for FP in our index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "fu", "FS", "FW", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is FP, spelled F-P.

Definition

  1. 1
    Initialism of floating point.
  2. 2
    Initialism of foreign policy.
  3. 3
    Initialism of front page.
  4. 4
    Initialism of function pointer.
  5. 5
    Initialism of functional programming.
  6. 6
    Initialism of false positive.
  7. 7
    Initialism of food poisoning.
  8. 8
    Abbreviation of favorite person.

Recorded use

Wiktionary examples

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

  1. Note that a FP diagnosis (with null hypothesis of being healthy) may cause a prescription of an unnecessary treatment.
  2. Testing multiple hypotheses increases risk of FPs.

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 "FP"?
"FP" is spelled F-P.
What does "FP" mean?
As a noun, "FP" means: Initialism of floating point.
What words are commonly confused with "FP"?
"FP" is commonly confused with "fu", "FS", "FW". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "FP" come from?
"FP" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

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

Source: FrequencyWords open word-frequency list