empirical

/ɪmˈpɪɹɪkəl/

//ɪmˈpɪɹɪkəl// adj

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“empirical” has 13 generated spelling variants in the English index at frequency #12,590. The variants make it a useful spelling check.

#12,590
frequency rank, English
2,246
“E” headwords
13
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Pertaining to or based on experience, as opposed to theory.

Corpus desk

Index EN-empirical · empirical · English

empirical · rank #12,590 · 13 variants · 1 confusable

  • FREQ-MID #12,590
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 13 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH Ellie

Nearest frequency peer: Ellie (-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 “empirical”

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

corpus weight

What this shows “empirical” 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

Visual similarity to commonly confused words

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

empirical vs empirically
82% similar

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

Key facts for empirical
PropertyValue
Headwordempirical
LanguageEnglish
Part of speechAdjective
IPA/ɪmˈpɪɹɪkəl/
Letters9
Frequency rank#12,590
Misspellings tracked13
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “empirical”

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

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Ellie” (#12,589), “enlarged” (#12,591), “Esther” (#12,593). Among 2,246 “E” headwords, “empirical” is #12,590. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around empirical (IPA /ɪmˈpɪɹɪkəl/), anadjective. Corpus frequency is #12,590 among 2,246 “E” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 13 likely wrong-spelling variants for empirical, with forms such as "emiprical", "emmpirical", and "empiircal". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 1 confusable-pair relationship, "empirically", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From empiric + -al. The correct English form is empirical, spelled E-M-P-I-R-I-C-A-L.

Definition

  1. 1
    Pertaining to or based on experience, as opposed to theory.
  2. 2
    Pertaining to, derived from, or testable by observations made using the physical senses or using instruments which extend the senses.
  3. 3
    Verifiable by means of scientific experimentation.

Recorded use

Wiktionary examples

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

  1. The lengths were calculated according to the empirical rules of the trade.
  2. For some presumptive diagnoses, empirical antibiotic therapy begins immediately, whereas specific antibiotic therapy must await the results of the culture and sensitivity test.

Etymology

From empiric + -al.

Synonyms

empiric

Antonyms

nonempirical

This word in other languages

empírico(Español)empirique(Français)empirisch(Deutsch)empírico(Português)

Common misspellings

Also misspelled as:

  • emiprical
  • emmpirical
  • empiircal
  • empircial
  • empiriacl
  • empiricall
  • empiriccal
  • empiricla
  • empirrical
  • emppirical
  • empriical
  • epmirical
  • mepirical

Misspelling Pattern Breakdown

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

emiprical2emmpirical1empiircal2empircial2empiriacl2empiricall1empiriccal1empiricla2
Edit distance from "empirical"

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 "empirical"?
"empirical" is spelled E-M-P-I-R-I-C-A-L. The IPA pronunciation is /ɪmˈpɪɹɪkəl/.
What does "empirical" mean?
As an adjective, "empirical" means: Pertaining to or based on experience, as opposed to theory.
What words are commonly confused with "empirical"?
"empirical" is commonly confused with "empirically". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "empirical"?
The IPA (International Phonetic Alphabet) transcription for "empirical" is /ɪmˈpɪɹɪkəl/. 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 "empirical"?
From empiric + -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 "empirical", not the corpus desk frequency band.

Same letter count

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

fantasies#12,595filmmaker#12,599Frankfurt#12,602detailing#12,576

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

chanting13 variantsargentine13 variantsmetabolic13 variantsabolished13 variants

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

Source: FrequencyWords open word-frequency list