PAC

/pæk/

//pæk// noun

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

"pac" is a 3-letter English headword indexed on PlainSpell.

The verdict

“PAC” sits in 20 confusable pairs (corpus #7,954) as a noun. The look-alike neighbours are the real trap.

#7,954
frequency rank, English
4,417
“P” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of programmable automation controller.

Corpus desk

Index EN-pac · PAC · English

PAC · rank #7,954 · 0 variants · 20 confusables

  • FREQ-COMMON #7,954
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH overhead

Nearest frequency peer: overhead (-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.

Frequency neighbours of confusable “PAC”

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

corpus weight

What this shows Bars place “PAC” 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).

PAC vs PM
33% similar
PAC vs PC
67% similar
PAC vs PP
33% similar

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

Key facts for PAC
PropertyValue
HeadwordPAC
LanguageEnglish
Part of speechNoun
IPA/pæk/
Letters3
Frequency rank#7,954
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “PAC”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).PAClands 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 “overhead” (#7,953), “painter” (#7,955), “orthodox” (#7,952). Among 4,417 “P” headwords, “PAC” is #7,954. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for PAC is neighbouring look-alikes ("PM", "PC", …), not just typos; it is anoun pronounced /pæk/. Frequency #7,954 among 4,417 “P” headwords. 5 recorded senses keep meaning in play.

Our edit-distance generator produced no likely misspellings for PAC, typically a sign the spelling maps closely to how the word sounds. It also participates in 20 confusable-pair relationships, "PM", "PC", "PP", and more, where similar look or sound leads writers to substitute one word for another in context.

This entry carries no recorded etymology, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is PAC, spelled P-A-C.

Definition

  1. 1
    Initialism of programmable automation controller.
  2. 2
    Initialism of proxy auto-config (file).
  3. 3
    Initialism of public accounts committee.
  4. 4
    Acronym of political action committee.
  5. 5
    Initialism of presentation-abstraction-control.

Recorded use

Wiktionary examples

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

  1. A PAC may contribute no more than $5,000 to a federal candidate in a general or primary election. PACs have grown to become the second-largest source of campaign funds, trailing only individuals (Herrnson 2004).
  2. The new group, called Save America, is a federal fund-raising vehicle known as a leadership PAC that has donation limits of $5,000 per donor per year. […] In that sense, his PAC could become a fan-subsidized machine to perpetuate his agenda and plot his next moves. […] Leadership PACs are generally seen as loosely regulated — Joseph R. Biden Jr. operated…

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 "PAC"?
"PAC" is spelled P-A-C. The IPA pronunciation is /pæk/.
What does "PAC" mean?
As a noun, "PAC" means: Initialism of programmable automation controller.
What words are commonly confused with "PAC"?
"PAC" is commonly confused with "PM", "PC", "PP". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "PAC"?
The IPA (International Phonetic Alphabet) transcription for "PAC" is /pæk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "PAC" come from?
"PAC" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "PAC", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

kay#7,935jar#7,934IBM#7,927han#7,925

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

Source: FrequencyWords open word-frequency list