infantvsinstantWhich spelling fits?

Which to use

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

#7,236
“infant” frequency rank
#4,024
“instant” frequency rank
11260
confusion score

Side-by-Side Comparison

Feature infant instant
Definition 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. A very short period of time; a moment.

Where the eye mixes infant and instant

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

6 ch
infant
7 ch
instant

Visual trap between infant and instant

A purely visual mix-up. infant (/ˈɪn.fənt/) and instant (/ˈɪnstənt/) 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 11260, derived from the frequency rank of both members and their visual similarity.

infant is recorded at frequency rank #7,236, classified as anoun, pronounced /ˈɪn.fənt/. instant is at rank #4,024, tagged as anoun, pronounced /ˈɪnstənt/.

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 11260, this pair ranks #488,017 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of infant vs instant

Shared letters: aint. Private to "infant": f. Private to "instant": s.

"infant" · 6 letters · shape VCCVCC  ·  "instant" · 7 letters · shape VCCCVCC

Known mistypes of this pair

  • infant ← ifnant · inafnt · infannt · infantt · infatn · inffant · infnat · innfant
  • instant ← innstant · insatnt · insstant · instannt · instantt · instatn · instnat · insttant

Frequently Asked Questions

Do "infant" and "instant" mean the same thing in a sentence?
No. They are said differently (/ˈɪn.fənt/ versus /ˈɪnstənt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "infant" or "instant"?
"instant" is the more common of the two: it sits at frequency rank #4,024 in our English list, against #7,236 for "infant". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "infant" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "instant" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #488,017 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "infant" and "instant" 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 #488,017 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