baby

/ˈbeɪ̯.bi/

//ˈbeɪ̯.bi// noun

"baby" is a 4-letter English headword indexed on PlainSpell.

The verdict

“baby” is in the everyday core of English, ranked #547 in English word frequency and used as a noun.

#547
frequency rank, English
4
letters
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A very young human, particularly from birth to a couple of years old or until walking is fully mastered.

Visual similarity to commonly confused words

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

baby vs by
50% similar
baby vs BB
0% similar
baby vs bad
50% similar

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

Key facts for baby
PropertyValue
Headwordbaby
LanguageEnglish
Part of speechNoun
IPA/ˈbeɪ̯.bi/
Letters4
Frequency rank#547
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “baby” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for baby is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈbeɪ̯.bi/. Corpus data places it at rank #547 in overall English word frequency, putting it firmly in the everyday core of the language. Wiktionary records 13 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 5 likely wrong-spelling variants for baby, with forms such as "babby", "babyy", and "bayb". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "by", "BB", "bad", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Etymology tree Proto-Indo-European *bʰā- Proto-Germanic *bō-redup. Proto-Germanic *babô Proto-West Germanic *babō Old English *baba Middle English babe Old English -iġ Middle English -y Middle English baby English baby From Middle English baby, babie (“baby… The correct English form is baby, spelled B-A-B-Y.

Definition

  1. 1
    A very young human, particularly from birth to a couple of years old or until walking is fully mastered.
  2. 2
    A very young human, even if not yet born.
  3. 3
    Any very young animal, especially a vertebrate; many species have specific names for their babies, such as kittens for the babies of cats, puppies for the babies of dogs, and chicks for the babies of birds. See :Category:Baby animals for more.
  4. 4
    A person who is immature, infantile, or feeble.
  5. 5
    A person who is new to or inexperienced in something.
  6. 6
    The lastborn of a family; the youngest sibling, irrespective of age.
  7. 7
    A person's romantic partner; a term of endearment used to refer to or address e.g. one's girlfriend, boyfriend, or spouse.
  8. 8
    A form of address to a person considered to be attractive.
  9. 9
    A concept or creation endeared by its creator.
  10. 10
    A pet project or responsibility.
  11. 11
    An affectionate term for anything.
  12. 12
    A small image of an infant; a doll.
  13. 13
    One who is new to an identity or community.

Etymology

Etymology tree Proto-Indo-European *bʰā- Proto-Germanic *bō-redup. Proto-Germanic *babô Proto-West Germanic *babō Old English *baba Middle English babe Old English -iġ Middle English -y Middle English baby English baby From Middle English baby, babie (“baby”), a diminutive form of babe (“babe, baby”), equivalent to babe + -y/-ie (“endearing and diminutive suffix”). Perhaps ultimately imitative of baby talk (compare babble).

Synonyms

This word in other languages

Common misspellings

Also misspelled as: babby,babyy,bayb,bbaby,bbay

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of baby - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

babby1babyy1bayb2bbaby1bbay2
Edit distance from "baby"

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 "baby"?
"baby" is spelled B-A-B-Y. The IPA pronunciation is /ˈbeɪ̯.bi/.
What does "baby" mean?
As a noun, "baby" means: A very young human, particularly from birth to a couple of years old or until walking is fully mastered.
What words are commonly confused with "baby"?
"baby" is commonly confused with "by", "BB", "bad". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "baby"?
The IPA (International Phonetic Alphabet) transcription for "baby" is /ˈbeɪ̯.bi/. 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 "baby"?
Etymology tree Proto-Indo-European *bʰā- Proto-Germanic *bō-redup. Proto-Germanic *babô Proto-West Germanic *babō Old English *baba Middle English babe Old English -iġ Middle English -y Middle English baby English baby From Middle English baby, ba... 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.

Using “baby”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-A-B-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈbeɪ̯.bi/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “by” - see the side-by-side comparison. baby vs by
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list