soilvsspoiltWhich spelling fits?

Quick tell: soil is a noun, spoilt is an adjective, so they fill different roles in a sentence.

Which to use

“soil” is a noun and “spoilt” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,527
“soil” frequency rank
#25,591
“spoilt” frequency rank
29118
confusion score

Side-by-Side Comparison

Feature soil spoilt
Definition A mixture of mineral particles and organic material, used to support plant growth. Having lost its original value

Where the eye mixes soil and spoilt

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
soil
6 ch
spoilt

Why the eye confuses soil with spoilt

These two trip readers on the page rather than in the ear: soil is /sɔɪl/ while spoilt is /spɔɪlt/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 29118, derived from the frequency rank of both members and their visual similarity.

soil is recorded at frequency rank #3,527, classified as anoun, pronounced /sɔɪl/. spoilt is at rank #25,591, tagged as anadj, pronounced /spɔɪlt/.

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 29118, this pair ranks #365,665 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of soil vs spoilt

Shared letters: ilos. Private to "soil": -. Private to "spoilt": pt.

"soil" · 4 letters · shape CVVC  ·  "spoilt" · 6 letters · shape CCVVCC

Known mistypes of this pair

  • soilosil · siol · soill · soli · ssoil
  • spoiltpsoilt · sopilt · spiolt · spoillt · spoiltt · spoitl · spolit · sppoilt

Frequently Asked Questions

Is swapping "soil" for "spoilt" ever safe?
No - they are not even the same part of speech. "soil" is a noun and "spoilt" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "soil" vs "spoilt" - which ranks higher?
"soil" is the more common of the two: it sits at frequency rank #3,527 in our English list, against #25,591 for "spoilt". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "soil" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "spoilt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #365,665 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "soil" and "spoilt" also get mixed up with nearby pairs, the highest-scored neighbour is "splint vs spoilt". 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 #365,665 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