infancyvsinfantWhich spelling fits?

Which to use

“infancy” and “infant” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#17,641
“infancy” frequency rank
#7,236
“infant” frequency rank
24877
confusion score

Side-by-Side Comparison

Feature infancy infant
Definition The earliest period of childhood (crawling rather than walking). A very young human being, from birth to somewhere between six months and two years of age after birth, needing almost constant care and attention.

Where the eye mixes infancy and infant

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. infancy runs 7 letters (VCCVCCV) against infant's 6 (VCCVCC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
infancy
6 ch
infant

Look-alike desk: infancy vs infant

A purely visual mix-up. infancy (/ˈɪnfənsi/) and infant (/ˈɪn.fənt/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24877, derived from the frequency rank of both members and their visual similarity.

infancy is recorded at frequency rank #17,641, classified as anoun, pronounced /ˈɪnfənsi/. infant is at rank #7,236, tagged as anoun, pronounced /ˈɪn.fənt/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 24877, this pair ranks #398,659 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of infancy vs infant

Shared letters: afin. Private to "infancy": cy. Private to "infant": t.

"infancy" · 7 letters · shape VCCVCCV  ·  "infant" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • infancy ← ifnancy · inafncy · infacny · infanccy · infancyy · infanncy · infanyc · inffancy
  • infant ← ifnant · inafnt · infannt · infantt · infatn · inffant · infnat · innfant

Frequently Asked Questions

Is swapping "infancy" for "infant" ever safe?
No. They are said differently (/ˈɪnfənsi/ versus /ˈɪn.fənt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "infancy" vs "infant" - which ranks higher?
"infant" is the more common of the two: it sits at frequency rank #7,236 in our English list, against #17,641 for "infancy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "infancy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "infant" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #398,659 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "infancy" and "infant" also get mixed up with nearby pairs, the highest-scored neighbour is "infant vs Irfan". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #398,659 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list