infieldvsinfillWhich spelling fits?

Quick tell: infield is a noun, infill is a verb, so they fill different roles in a sentence.

Which to use

“infield” is a noun and “infill” is a verb - they look or sound alike but fill different roles in a sentence.

#28,595
“infield” frequency rank
#48,290
“infill” frequency rank
76885
confusion score

Side-by-Side Comparison

Feature infield infill
Definition The area inside a racetrack or running track. To fill in a space, hole or gap.

Letter map: infield vs infill

Shared letters muted; letters that set infield and infill apart highlighted. Shared run: 5. infield runs 7 letters (VCCVVCC) against infill's 6 (VCCVCC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
infield
6 ch
infill

Role in the sentence - infield and infill

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: infield is anoun and infillaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 76885, derived from the frequency rank of both members and their visual similarity.

infield is recorded at frequency rank #28,595, classified as anoun, pronounced /ˈɪnfiːld/. infill is at rank #48,290, tagged as averb.

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 76885, this pair ranks #28,848 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of infield vs infill

Shared letters: filn. Private to "infield": de. Private to "infill": -.

"infield" · 7 letters · shape VCCVVCC  ·  "infill" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • infield ← ifnield · infeild · inffield · infiedl · infieldd · infielld · infiled · inifeld
  • infill ← ifnill · inffill · infil · inflil · inifll · innfill · nifill

Frequently Asked Questions

Can "infield" and "infill" be used interchangeably?
No - they are not even the same part of speech. "infield" is a noun and "infill" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "infield" or "infill" show up more?
"infield" is the more common of the two: it sits at frequency rank #28,595 in our English list, against #48,290 for "infill". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "infield" vs "infill" is on the table, pick a follow-up below.

  • Full dictionary entry for "infield" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "infill" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,848 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "infield" and "infill" also get mixed up with nearby pairs, the highest-scored neighbour is "infill vs infirm". 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 #28,848 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