bac

noun

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

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

The verdict

“bac” sits in 20 confusable pairs (corpus #25,289) as a noun. The look-alike neighbours are the real trap.

#25,289
frequency rank, English
4,121
“B” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A broad, flat-bottomed ferryboat, usually worked by a rope.

Corpus desk

Index EN-bac · bac · English

bac · rank #25,289 · 0 variants · 20 confusables

  • FREQ-MID #25,289
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 4,121
  • PHOTO-FINISH Babcock

Nearest frequency peer: Babcock (-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 “bac”

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

corpus weight

What this shows Bars place “bac” 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).

bac vs be
33% similar
bac vs by
33% similar
bac vs BC
0% similar

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

Key facts for bac
PropertyValue
Headwordbac
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#25,289
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “bac”

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).baclands 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 “Babcock” (#25,288), “Baja” (#25,290), “Aztec” (#25,287). Among 4,121 “B” headwords, “bac” is #25,289. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for bac is neighbouring look-alikes ("be", "by", …), not just typos; it is anoun. Frequency #25,289 among 4,121 “B” headwords. 2 recorded senses keep meaning in play.

bac doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. It also participates in 20 confusable-pair relationships, "be", "by", "BC", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Borrowed from French bac. The correct English form is bac, spelled B-A-C.

Definition

  1. 1
    A broad, flat-bottomed ferryboat, usually worked by a rope.
  2. 2
    A vat or cistern.

Etymology

Borrowed from French bac.

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 "bac"?
"bac" is spelled B-A-C.
What does "bac" mean?
As a noun, "bac" means: A broad, flat-bottomed ferryboat, usually worked by a rope.
What words are commonly confused with "bac"?
"bac" is commonly confused with "be", "by", "BC". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "bac"?
Borrowed from French bac. 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 "bac", not the corpus desk frequency band.

Same letter count

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

BCE#25,294bpd#25,302alf#25,273coy#25,336

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

Source: FrequencyWords open word-frequency list